+9 Best AI Writing Tools for Proposal Writing in 2024

  • Editor
  • May 17, 2024

Crafting a compelling proposal is a critical skill in many professional arenas, requiring a blend of creativity, clarity, and persuasive prowess. With time, a suite of best AI writing tools has emerged to streamline this process, enhancing both efficiency and effectiveness. These resources leverage cutting-edge technology to assist users in generating, refining, and polishing their proposals.

By harnessing the power of the best AI writing tools for proposal writing, individuals and organizations can elevate their working process, ensuring their ideas are presented most effectively.

This guide explores some of the best AI writing tools in this category, detailing how they can transform the proposal writing landscape.

Best AI Writing Tools for Proposal Writing in 2024  (Quick Overview)

1. Writesonic: Best for Proposal Content Structuring and Organization

Learn more about this tool: Writesonic Detailed Analysis

2. Jenni AI: Best for Creating Professional Academic Proposals

Learn more about this tool: Jenni AI Detailed Analysis

3. Rytr: Best for Proposal Concept and Execution Planning

Learn more about this tool: Rytr Detailed Analysis

4. Jasper AI: Best for Grant Proposal Rewriting and Rephrasing

Learn more about this tool: Jasper AI Detailed Analysis

5. TextCortex: Best for Research Proposal Development and Clarity

Learn more about this tool: TextCortex Detailed Analysis

6. Simplified: Best for Project Proposal Ideation and Presentation

Learn more about this tool: Simplified Detailed Analysis

7. Copy.ai: Best for Business Proposal Writing in Multiple Languages

Learn more about this tool: Copy.ai Detailed Analysis

8. Moonbeam: Best for Technical Proposal Clarity and Precision

Learn more about this tool: Moonbeam Detailed Analysis

9. ChatGPT: Best for Academic Proposal Hypothesis and Methodology Detailing

Learn more about this tool: ChatGPT Detailed Analysis

10. Fundwriter.ai: Best for Funding Proposal Impact and Outcome Articulation

Learn more about this tool: Fundwriter.ai Detailed Analysis

11. Paraphrasing Tool: Best for Sales Proposal Customization and Enhancement

Learn more about this tool: Paraphrasing Tool Detailed Analysis

Best AI Tools for Proposal Writing in 2024: In Depth Analysis

1. Writesonic – Best for Proposal Content Structuring and Organization

Writesonic emerges as a powerful AI writing assistant, particularly tailored for crafting compelling proposals and is known best for proposal content structuring and organization.


Equipped with the latest GPT-4 technology, it offers an impressive array of templates and language support, making it a versatile choice for professionals seeking to produce high-quality, impactful proposals.

Writesonic is designed to streamline the proposal writing process, offering efficiency and excellence to its users.

It’s an ideal tool for those who want to leverage advanced AI capabilities to elevate the quality of their proposals and engage effectively with their audience.

Feature Details
My Rating 4.5/5
Best for Proposal content structuring, clear organization, persuasive argument building, key point emphasis, effective summarization, and strategic presentation
Pricing US$ 15 – $30 Monthly
Word Count 10k in free and unlimited in premium plans
Number of Seats 1 – Unlimited
Templates 100+ Templates
Languages Supported 24+ Languages
Plagiarism Check Yes
Grammar Check Yes
Brand Voice 1 – Unlimited
Language Model Generative AI models
Integration Twitter, Shopify, Buffer, WordPress, Email by Zapier, Excel, Google Docs, Instagram for Business, and 5000+ other integrations
Data Security TLS1.2+ with AES256 encryption and SHA2 signatures
Free Trial free plan with limited features
Customer Support Available 24/7 Via Live Chat
Refund Policy issues refunds
Refund Coverage Days 7 days

Writesonic stands out as a distinguished AI writing assistant, specifically crafted to support the intricate demands of proposal writing, with an arsenal of over 100 AI-driven templates. These templates are pivotal in structuring comprehensive proposals, ensuring consistency and detail in every section.

Powered by advanced Generative AI models, Writesonic is adept at creating content that is both high-quality and contextually suitable for proposals, aiding writers in articulating their ideas persuasively and coherently.

The platform’s language capabilities are extensive, offering support for 24+ languages, making it a versatile tool for proposal writers aiming to reach a global audience or communicate across linguistic barriers. Writesonic reinforces its commitment to content originality and integrity through its plagiarism check and grammar check features, ensuring each proposal is both unique and linguistically polished.

Proposal writers can tailor their content with a range of narrative voices from 1 to unlimited, allowing for customized tonal and stylistic alignment with the proposal’s objectives. The Sonic Editor within Writesonic provides sophisticated editing tools, vital for refining proposals to meet the exacting standards of clarity and precision required in professional submissions.

Writesonic’s subscription plans, starting from US$ 15 monthly, are designed to accommodate a broad spectrum of proposal writing needs, from individual writers to larger teams, with plans extending from a basic free option to advanced plans offering 50 to 100 monthly credits.

The platform boasts an extensive array of integrations, including Twitter, Shopify, Buffer, WordPress, and Email by Zapier, along with 5000+ other integrations, streamlining the proposal writing workflow and enhancing productivity.

Data security is paramount on Writesonic, with TLS1.2+ with AES256 encryption and SHA2 signatures, ensuring the utmost protection of sensitive proposal data. While Writesonic offers a free plan with limited features for those wishing to explore its capabilities, its commitment to user satisfaction is further exemplified by customer support 24/7 Via Live Chat, providing immediate assistance whenever needed.

The platform’s user-friendly refund policy, which issues refunds within 7 days of subscription under certain conditions, showcases Writesonic’s commitment to customer satisfaction and confidence in its service.


    • A wide range of templates simplifies the proposal writing process.
    • Multilingual support caters to a global audience, breaking language barriers.
    • GPT-4 integration ensures high-quality, coherent, and compelling content.


    • The sheer number of templates might overwhelm some users.
    • Multilingual capabilities may vary in quality across different languages.
    • Dependence on AI for content creation might limit personal touch.

Pricing and Free Trial

  • Free Plan: Accessible at no cost.
  • Chatsonic Pro: Available at US$ 15 per month for monthly billing or $12 per month with annual billing.
  • Individual Plan: Offered at $20 per month when billed monthly and $16.67 per month for annual billing.
  • Teams Plan: Available at $30 per month when billed monthly and $25 per month when billed annually.
  • Enterprise Plan: The cost for WriteSonic’s Enterprise plan exceeds $500. For customization, contact their sales team.

WriteSonic provides a free plan with certain restrictions instead of a free trial.

Get WritesonicOur Top Recommendation for AI writing tool

Refund Policy and Customer Support

  • WriteSonic issues refunds within 7 days of purchasing a plan, provided the user’s word usage does not exceed 25,000 Premium quality words or its equivalent on any of WriteSonic’s paid plans.
  • For support, WriteSonic’s customer service is continuously available 24/7 Via Live Chat.

Read Our Writesonic Review

2. Jenni AI – Best for Creating Professional Academic Proposals

Jenni AI stands out as a game-changer for crafting compelling proposals in professional environments for all your academic needs.


Factor Details
Our Rating 4.3/5
Best for Academic writing, including essays, literature reviews, research papers
Pricing US$ 20/month
Solutions AI Autocomplete, In-text Citations, Paraphrase & Rewrite, Generate From Your Files
Duration 200+ words/day
Languages Supported 5 Languages supported
Storage Not Applicable
Text to Video Generator No
Number of Users 5 user seats
Integration Not Applicable
Data Security Not Applicable
Resolution Not Applicable
Free Trial It offers a free plan
Customer Support Via email
Refund Policy Not refundable
Refund Coverage days N/A

Jenni AI significantly boosts my proposal writing efficiency. Its seamless content generation and citation integration meet the high standards required in professional settings, making it essential for producing meticulously detailed proposals.

With its extensive language capabilities, Jenni AI caters to a global audience, enhancing the versatility of my proposals across different markets. The built-in plagiarism and grammar checks are crucial, ensuring every submission is original and of the highest quality, safeguarding my reputation and credibility.

While the absence of a free trial was a concern, Jenni AI’s free plan provided enough functionality to assess its capabilities thoroughly. This accessibility and its flexible pricing structure make Jenni AI a practical choice for proposal writers of all levels.

Jenni AI excels in language support, offering assistance in 5 languages. This makes it a versatile tool for non-native English speakers or for those working on documents in multiple languages.

The integration capabilities of Jenni AI are particularly impressive. Features like AI Autocomplete, in-text citations, paraphrase & rewrite, and the ability to generate content from your files streamline the writing process significantly.

For those concerned with daily output, Jenni AI allows over 200 words per day, which is beneficial for tackling larger writing projects incrementally.

Regarding pricing, Jenni AI is available at a monthly rate of US$ 20, or an annual subscription can be obtained for $12 per month, making it an affordable option for ongoing academic work.


    • Rigorous plagiarism and grammar checks maintain content quality.
    • It supports numerous languages, enhancing its versatility.
    • Equally adept at academic and general content creation.
    • Cost-effective with a scalable pricing model.
    • Features multiple integration options.


    • It lacks a traditional free trial, offering only a basic free plan.
    • No refund policy, which might be a dealbreaker for some.
    • Limited to email support, potentially complicating urgent queries.

Jenni AI Pricing and Free Trial

Here are the details of the Jenni AI pricing plans

Free Plan ($0/month):

  • 200 AI words per day
  • Unlimited PDF uploads
  • AI Autocomplete
  • Journal & web citations
  • AI editing commands

Unlimited Plan (US$ 20/month):

  • Unlimited AI words
  • AI Autocomplete
  • Unlimited PDF uploads
  • Journal & web citations
  • AI editing commands
  • Priority support
  • Access to the latest features
Get Jenni AIOur Best Recommendation for AI writing tool

Refund Policy and Customer Support

  • Subscriptions to Jenni AI are recurring, and you will be automatically billed until you choose to cancel.
  • Payments for Jenni AI subscriptions and enterprise licenses are generally does not offer refunds.
  • If you believe your case warrants a refund due to a bug or error, Jenni AI requires a scheduled call with their support team to demonstrate the issue.
  • You can contact Jenni AI for support or inquiries via Email at support@jenni.ai.

Read Our Jenni AI Review

3. Rytr – Best for Proposal Concept and Execution Planning

Rytr emerges as a versatile AI tool that simplifies the proposal writing process, making it more efficient and effective for professionals across various industries and is known best for proposal concept and execution planning.

With its ability to generate a significant amount of content monthly, support for multiple languages, and a suite of additional features, Rytr is designed to enhance the quality and impact of your proposals.

It’s an excellent choice for anyone looking to leverage AI for crafting persuasive, SEO-optimized, and original proposals.


Feature Details
My Rating 4/5
Best for Proposal concept development, strategic outlining, clear milestone setting, task sequencing, impact forecasting, and feasibility assessment
Pricing Free plan to US$ 9/month – $29/month
Word Count 10K – unlimited
Number of Seats Not Applicable
Templates 40+ templates
Languages Supported 35+ languages
Plagiarism Check 0-100 per month
Grammar Check Yes
Brand Voice Custom as per the input
Language Model GPT-3 powered language AI engine
Integration Google Chrome extension, Google Sheets, Slack, Asana, Whatsapp, Google Docs, Google Ideas, Gmails
Data Security Share your Personal Information with third parties
Free Trial Offers free plan with limited features
Customer Support Available email and chat support
Refund Policy Do not provide refunds
Refund Coverage Days Not Applicable

Rytr stands out as a versatile tool designed for a range of copywriting needs, including proposal writing, content generation, and more. With its user-friendly interface and customizable features, Rytr ensures that users can craft messages in a tone that aligns with their brand voice, making it a valuable asset for creating various types of written content.

When it comes to pricing, Rytr offers options ranging from a free plan to a premium plan costing starting from US$ 9 per month. The platform provides flexibility in word count, offering ranges from 10K words to unlimited, depending on the chosen plan. This scalability is especially beneficial for users with varying content generation needs.

Rytr supports over 40 templates and 35+ languages, making it a robust tool for global proposal writing endeavors. The inclusion of a plagiarism checker that allows for 0-100 checks per month and a grammar checker ensures the quality and originality of the content produced. Additionally, the platform’s capacity to generate up to 100 AI-powered images per month enhances proposals with visual elements.

For those concerned about data security, it’s important to note that Rytr may share personal information with third parties for promotional purposes. Users can access email and chat support, although the service does not provide refunds as part of its policy.

Integration features are a strong point for Rytr, with compatibility across various applications such as Google Chrome extension, Google Sheets, Slack, Asana, WhatsApp, Google Docs, Google Ideas, and Gmail. This integration facilitates seamless content creation and collaboration across different platforms.

Rytr’s SEO analyzer is a standout feature for ensuring that your proposals are optimized with the right keywords, potentially enhancing their online visibility if published online. With access to 20+ tones, users can adapt the voice of their proposals to suit specific audiences and purposes, adding a layer of customization and effectiveness to their communications.


    • Ample monthly character limit supports extensive proposal writing.
    • Diverse use cases and language support cater to global needs.
    • AI-generated images add a visual dimension to proposals.
    • Plagiarism checker and SEO analyzer ensure content quality and originality.
    • Easy browser access via Chrome extension enhances usability.


    • The character limit might still restrict very large projects.
    • Navigating through 40+ use cases can be overwhelming for new users.
    • AI-generated images may not always perfectly match specific proposal needs.
    • SEO features are more beneficial for online content than traditional proposals.
    • Managing tone consistency across a proposal requires careful selection.

Pricing and Free Trial

  • Free Plan: No cost, includes basic features.
  • Unlimited Plan: Priced at US$ 9 monthly, or opt for an annual subscription at $90, which effectively grants two months free.
  • Premium Plan: Available for $29 each month, or $290 annually, also incorporating two free months.

Rytr offers a free plan with limited features instead of a free trial.

Get RytrOur Best Recommendation for AI writing tool

Refund Policy and Customer Support

  • Rytr does not provide refunds for their paid subscriptions.
  • For assistance, Rytr’s customer support is available 24/7 through email and chat support.

Read Our Rytr Review

4. Jasper AI – Best for Grant Proposal Rewriting and Rephrasing

Jasper AI stands at the forefront of AI-driven proposal writing, offering powerful tools designed to elevate the quality, relevance, and impact of your proposals, making this tool the best for grant proposal rewriting and rephrasing.

By combining advanced content generation capabilities with SEO optimization, extensive template support, and robust collaboration features, Jasper AI is an indispensable tool for professionals seeking to streamline their proposal writing process.

Its focus on efficiency, effectiveness, and security makes it a top choice for businesses and teams aiming to produce compelling proposals that capture attention and achieve results.


Feature Details
My Rating 3.5/5
Best for Grant proposal rewriting, rephrasing for impact, clarity enhancement, persuasive language use, funding justification, and strategic emphasis
Pricing US$ 39 – $69 monthly
Word count Not Applicable
No of seats 1 – 5 seats
Templates Over 50+ templates
Languages supported 30+ languages
Plagiarism Check Yes
Grammar Check Yes
Brand Voice 1 – 3 brand voices, unlimited in the Business plan.
Language model Multiple AI models
Integration Integrates with 10 tools and websites, including Chrome and Zapier
Data Security High priority on data privacy
Free Trial 7-day free trial
Customer support Available 24/7 via Call or Email
Refund policy 100% money-back guarantee
Refund coverage days 7 days

Jasper AI emerges as a key AI writing assistant for proposal writing, leveraging advanced technology to enhance creativity and efficiency in the proposal development process. With subscription plans starting from US$ 39 monthly, Jasper AI caters to 1 to 5 users, making it a versatile choice for individual proposal writers or small teams.

The tool supports over 30 languages, providing a significant advantage for writers crafting proposals for a diverse, global audience. Jasper AI offers more than 50 templates that streamline the proposal creation process while ensuring professional quality and coherence.

Key features of Jasper AI include a plagiarism checker and a grammar check tool, indispensable for maintaining the originality and linguistic precision of proposal content. Users can select from 1 to 3 brand voices, with an unlimited selection available in the Business plan, enabling a consistent and tailored tone throughout the proposal.

An essential feature for those focusing on digital presence is Jasper AI’s SEO Mode, optimizing content for search engine visibility and enhancing the digital footprint of proposals. Integration with tools and websites such as Chrome and Zapier expands Jasper AI’s functionality, making it a comprehensive tool for proposal writers.

Jasper AI provides a 7-day free trial, allowing users to explore its capabilities, supported by a 100% money-back guarantee within the initial 7 days. With customer support available 24/7 via Call or Email, Jasper AI prioritizes user satisfaction and accessibility.

Data security and privacy are paramount, with Jasper AI ensuring the protection of user data and content, a crucial aspect for professionals focused on safeguarding their intellectual property in their proposal writing task.


    • Generates high-quality, relevant content for proposals.
    • SEO tools enhance the online visibility of proposals.
    • Easy integration with other platforms streamlines workflows.
    • A wide range of templates and languages supports global use.
    • Collaboration features enable efficient teamwork on proposals.


    • Advanced features may require a learning curve for new users.
    • The limit of 5 user seats might not suffice for larger teams.
    • Multilingual support varies in quality across languages.
    • Dependence on internet connectivity for real-time collaboration.

Pricing and Free Trial

  • Creator Plan: Available for US$ 39 per year or US$ 49 every month.
  • Pro Plan: Offered at $69 per month or an annual rate of $59.
  • Business Plan: For acquisition and pricing details, please reach out to the Jasper sales team.

Jasper provides a 7-day trial period at no cost.

Refund Policy and Customer Support

  • Jasper AI has a refund policy that allows for returns within 7 days of purchase.
  • Their customer support is accessible around the clock 24/7 via Call or Email.

Read Our Jasper AI Review

5. TextCortex – Best for Research Proposal Development and Clarity

TextCortex is an innovative AI writing tool that leverages advanced technologies, including GPT-4 and web search capabilities, to enhance the proposal writing experience, positioning it best for research proposal development and clarity.

It’s tailored for individuals and organizations aiming to produce high-quality, data-driven proposals efficiently.

With TextCortex, users can harness the power of artificial intelligence to generate compelling content that aligns with their objectives, making it a standout choice for crafting persuasive proposals.


Feature Details
My Rating 3.5/5
Best for Research proposal development, enhancing clarity, argument articulation, methodology detailing, objective framing, and outcome anticipation
Pricing US$ 6.99 – $119.9 Monthly
Word Count 350000 to Unlimited
Number of Seats Not Applicable
Templates 60+ templates
Languages Supported 25+ Languages
Plagiarism Check Yes
Grammar Check Yes
Brand Voice Not Applicable
Language Model Natural Language Generation
Integration Google Chrome, Google Docs, Gmail, Opera, Microsoft Edge, Notion, Youtube, Slack, Zapier (Total: 9 integrations)
Data Security SOC 2 Type I and SOC 2 Type II
Free Trial 14-Day Free Trial
Customer Support Available 24/7 supported widget to send an email
Refund Policy 100% money-back guarantee
Refund Coverage Days 5 days

TextCortex is an advanced AI writing assistant equipped with GPT-4 and web search capabilities, specifically optimized for proposal writing. It facilitates the creation of well-researched and pertinent content, crucial for compelling proposals, with a capacity for over 2800 monthly creations.

Designed to bolster academic and professional proposal writing, TextCortex offers access to more than 10 knowledge bases, providing a wealth of information to enhance proposal quality. Users can create over 10 custom personas, enabling the customization of proposals to reflect various professional tones and styles.

Supporting over 25 languages, TextCortex is an invaluable tool for international proposal collaborations and submissions. The platform’s 60+ AI writing templates aid in structuring diverse sections of proposals, ensuring a coherent and persuasive presentation from start to finish.

With pricing starting at US$ 6.99 monthly and a  14-day free trial, TextCortex is accessible for various users, allowing them to test its features extensively. The platform adheres to high data security standards, compliant with SOC 2 Type I and II, ensuring the protection of user data.

24/7 supported widget to send an email, providing timely assistance for users. Additionally, TextCortex’s 100% money-back guarantee within 5 days on select plans gives users added assurance in the platform’s value.

TextCortex’s integration features, compatible with Google Chrome, Google Docs, Gmail, Opera, Microsoft Edge, Notion, YouTube, Slack, and Zapier, total 9 integrations, enhancing its utility in diverse proposal writing contexts and streamlining integration into various workflows.


    • Utilizes GPT-4 for high-quality, informed content creation.
    • Supports large-scale proposal projects with 25+ creations/month.
    • Integrates specialized knowledge via extensive knowledge bases.
    • Customizes content for specific audiences with 10+ personas.
    • Enhances global reach with 25+ language capabilities.


    • Advanced features may require a learning curve.
    • The vast number of creations may lead to prioritization challenges.
    • Specialized knowledge bases might need updating to stay current.
    • Managing custom personas requires understanding audience insights.
    • Translation quality may vary across languages.

Pricing and Free Trial

  • Free Plan: Available at no cost but with limited features.
  • Lite Plan: Costs US$ 6.99 per month with monthly billing, or $5.59 per month for annual billing. Note that this price varies based on the chosen monthly word count.
  • Unlimited Plan: Offered at $119 monthly, or a reduced rate of $83.99 per month when billed annually.

TextCortex provides a free plan with limited features in place of a free trial.

Get TextCortexOur First Class Recommendation for AI writing tool

Refund Policy and Customer Support

  • TextCortex has a money-back guarantee specifically for their Unlimited Plan.
  • For assistance, TextCortex offers 24/7 supported widget to send an email.

Read Our TextCortex Review

6. Simplified – Best for Project Proposal Ideation and Presentation

Simplified is known best for project proposal ideation and presentation, as it integrates the latest AI technologies, like GPT-3.5 and GPT -4, to offer a seamless, efficient pathway to creating standout proposals.

Designed for marketers, entrepreneurs, and businesses, Simplified combines ease of use with powerful features to not only generate content but to ensure it is engaging, unique, and aligned with your brand identity.

This tool is a game-changer for those looking to elevate their proposal writing without the usual complexities.


Feature Details
My Rating 3/5
Best for Project proposal ideation, presentation enhancement, persuasive content creation, strategic alignment, and impactful messaging
Pricing US$ 18/month – $49/month
Word Count 35,000 Words – 600000 Words
Number of Seats 1 – 10 seats
Templates 80+ templates
Languages Supported 20+ languages
Plagiarism Check Yes
Grammar Check Yes
Brand Voice 1 – 4 brand voices
Language Model Not Applicable
Integration GPT-3 and GPT-4
Data Security 100% data security
Free Trial Free for unlimited time with a content generation cap of 2,000 words per month
Customer Support 24/7 via live chat on their website
Refund Policy strict no-refund policy
Refund Coverage Days Not Applicable

Simplified stands as a robust platform tailored for proposal writing, equipped with a suite of tools like the AI rewriter, Long Form Writer, and a persuasive bullet points generator. These tools are pivotal for proposal writers seeking to refine their content, develop comprehensive proposals, and structure key arguments effectively.

Offering subscriptions starting from US$ 18 per month, Simplified caters to a range of users, from individuals to teams of up to 10, with word limits spanning 35,000 to 600000 words.

The AI Rewriter enhances and revitalizes existing content, offering new insights into proposal narratives. The Long Form Writer is invaluable for creating detailed sections of proposals, and the persuasive bullet points generator aids in clearly outlining key points and arguments.

With support for over 20 languages, Simplified enables proposal writers to engage with an international audience, making their proposals accessible across different cultural contexts. Essential tools like a plagiarism checker and grammar verification ensure the proposals’ integrity and professionalism.

Proposal writers can customize their content with 1 to 4 brand voices, allowing for a tailored approach that aligns with the proposal’s tone requirements. Utilizing GPT-3 and GPT-4 AI technologies, Simplified generates contextually relevant and high-quality content.

Additional functionalities, such as 1-Click WordPress Export and direct publishing to Shopify Blogs, streamline the content distribution process. Simplified AI Docs provide advanced tools for content creation, enhancing the proposal writing experience.

While there is a free plan offering up to 2,000 words per month, users should be aware of Simplified has strict no-refund policy for paid subscriptions. For any required support, customer service is readily available 24/7 via live chat to assist users in navigating the platform efficiently.


    • Access to advanced GPT models ensures high-quality content.
    • AI Blog Wizard aids in creating engaging proposal narratives.
    • Brand consistency is maintained with AI Brand Books.
    • Extensive template library accelerates the proposal creation process.
    • Plagiarism checker and language support enhance credibility and reach.


    • Navigating between GPT 3.5 and GPT 4 could be confusing for some users.
    • The limit of 4 brand books may restrict larger organizations.
    • Managing 80+ templates might be overwhelming for new users.
    • Direct publishing features require familiarity with WordPress and Shopify platforms.
    • API integration necessitates technical expertise for full utilization.

Pricing and Free Trial

Simplified has three different subscription models for its users:

  • Pro Plan: This plan is available for US$ 18 per month or $11 per month when paid annually.
  • Business Plan: Priced at $49 monthly or $29 monthly with an annual payment.

Simplified has a free plan with limited features. They also offer 14-day trials on each of their plans.

Get SimplifiedOur Best Recommendation for AI writing tool

Refund Policy and Customer Support

  • Simplified has strict no-refund policy on any of their plans.
  • You can contact Simplified’s customer support team 24/7 via live chat on their website.

Read Our Simplified Review

7. Copy.ai – Best for Business Proposal Writing in Multiple Languages

Copy.ai is a forefront tool in leveraging AI to enhance proposal writing processes and is considered best for business proposal writing in multiple languages. It’s designed to streamline the creation of persuasive proposals, making it an essential tool for professionals looking to improve their proposal quality and efficiency.

Copy.ai excels in delivering customized content that matches your brand’s voice, catering to a global audience with its multilingual capabilities.


Feature Details
My Rating 3/5
Best for Business proposal writing, multilingual support, global business engagement, language-specific customization, and cross-cultural communication
Pricing US$ 49 – $249 /mo
Word Count 2000 to Unlimited
Number of Seats Up to 20 seats
Templates 90+ templates
Languages Supported 95+ languages
Plagiarism Check Not Applicable
Grammar Check Yes
Brand Voice Custom brand voice as per input
Language Model Natural language processing (NLP) and machine learning algorithms
Integration Google Sheets, Microsoft Excel, Webflow, WordPress, Shopify, Brainpod AI, Mixpanel, Speak ai, Zapier (Total: 8 integrations)
Data Security 100% data security
Free Trial Offers a free plan with limited features
Customer Support 24/7 via E-mail
Refund Policy 100% money-back guarantee
Refund Coverage Days 5 days

Copy.ai is a state-of-the-art AI writing tool, ideally suited for proposal writing, offering plans starting at US$ 49 per month to cater to a variety of budgetary requirements. The tool’s capacity to handle word counts from 2000 to unlimited makes it an excellent choice for crafting everything from brief proposals to detailed grant applications.

A standout feature of Copy.ai is its support for over US$ 49 languages, a critical asset for proposal writers aiming to engage with international clients or needing translation services. Powered by advanced natural language processing (NLP) and machine learning algorithms, Copy.ai delivers high-quality, contextually accurate proposals.

The platform allows users to establish a custom brand voice, ensuring proposals align with the desired tone and style. Copy.ai’s integration with key tools like Google Sheets, Microsoft Excel, Webflow, WordPress, Shopify, and others streamlines the proposal writing process, enhancing efficiency.

Emphasizing security, Copy.ai provides 100% data protection, safeguarding users’ proposals and personal information. Writers can test the tool using a version with limited features before committing to a full subscription.

With over 90 prompt templates, Copy.ai facilitates the entire proposal writing journey, from ideation to finalization. Proposal writers benefit from up to 75,000 workflow credits each month, allowing for extensive content creation without limitations.

The ability to save custom prompts boosts productivity, enabling writers to access and apply their preferred strategies and ideas quickly. Customer support is available 24/7 via E-mail, offering assistance whenever needed.

New users can evaluate Copy.ai’s capabilities confidently, thanks to a 100% money-back guarantee within 5 days. The tool’s extensive integration capabilities with platforms like Google Sheets, Excel, and WordPress, coupled with a firm commitment to data security, make Copy.ai a reliable and efficient assistant for proposal writing.


    • Automates and streamlines proposal writing via API.
    • Tailors content with unlimited brand voices for coherence.
    • Offers a wide variety of templates for quick starts.
    • Supports a vast range of languages for global use.
    • Enables team collaboration on a large scale.


    • API integration requires technical know-how.
    • Unlimited brand voices may overwhelm users with choices.
    • Navigating through 90+ templates can be daunting.
    • Not all languages may have the same level of nuance.
    • Large team features may be unnecessary for solo users.

Pricing and Free Trial

  • Free Version: No cost, includes basic features.
  • Pro Version: Monthly billing at US$ 49 per month, or $36 per month with annual payment.
  • Team Version: Monthly cost of $249, or $186 per month with annual subscription.
  • Enterprise Version: $4,000 per month for monthly billing, reduced to $3,000 per month with an annual plan.

Copy.ai does does not offer a free trial, but they do have a with limited features.

Refund Policy and Customer Support

  • Copy.ai offer 100% money-back guarantee on their subscription plans.
  • Their customer support team is available 24/7 via E-mail.

Read Our Copy.ai Review

8. Moonbeam – Best for Technical Proposal Clarity and Precision

Moonbeam elevates the proposal writing experience by integrating the latest GPT-4 technology, making it best for technical proposal clarity and precision.

This AI writing tool stands out for its Smart Chat functionality, precision editing, and effortless content creation capabilities, making it an exceptional choice for professionals aiming to produce top-quality proposals efficiently.


Feature Details
My Rating 3/5
Best for Technical proposal clarity, precision in language, detailed specifications, technical data articulation, stakeholder comprehension, and outcome specificity
Pricing Pro – US$ 49/month – Team – $99/month
Word Count Not Applicable
Number of Seats 1 – multiple
Templates Not Applicable
Credits/ month Not Applicable
Languages Supported Multiple language support
Plagiarism Check Yes
Grammar Check Not Applicable
Brand Voice Not Applicable
Language Model Not Applicable
Integration Yes, ChatGPT
Data Security Not Applicable
Free Trial
Customer Support Available via email
Refund Policy 100% money-back guarantee
Refund Coverage Days 30 days

Moonbeam offers a sophisticated suite of features specifically designed for the intricate task of proposal writing, providing a 7-day free trial on its premium plans to allow users to explore its functionalities. The platform is available starting from Pro Plan at US$ 49/month, designed to cater to individual writers and teams.

This AI writing assistant can create extensive, detailed proposals with unlimited long-form writing features. It also facilitates unlimited social media posts, aiding in the proposal’s broader promotional strategy. Users gain unlimited access to various AI writing tools, including a Boss Mode, for more advanced content customization.

Moonbeam enhances proposal writing with unlimited access to Moonbeam Chat and Ask Luna, providing instant AI assistance and tailored suggestions to refine content. The Moonbeam Wizard aids users in structuring their content effectively, while a custom style generator ensures consistency with the desired brand voice.

The platform supports collaborative real-time editing and allows multiple users to work concurrently, bolstered by priority support to swiftly address queries. Smart Chat, powered by GPT-4, offers interactive, real-time feedback and editing, revolutionizing the proposal refinement process.

Features like precision editing, pre-defined prompts, and instant content idea generation streamline content creation, ensuring proposals are not only high-quality but also engaging. Moonbeam’s advanced text editing, rich media integration, and the ability to share public drafts further enhance the proposal’s appeal and effectiveness.

Moonbeam provides support via email, ensuring users can receive assistance when needed.: A 100% money-back guarantee is offered, allowing users to request a refund within 30 days if they are not satisfied with the service.


    • Smart Chat offers interactive, real-time editing and feedback.
    • Precision editing ensures content clarity and impact.
    • Generates content ideas and full drafts quickly and efficiently.
    • Organizes content for a streamlined workflow.
    • Enhances proposals with rich media integration.


    • Learning curve to fully utilize advanced features.
    • Dependence on AI for content creation may limit personal touch.
    • Rich media integration requires additional content management.
    • The public drafts feature may not be suitable for sensitive proposals.
    • Boss Mode’s comprehensive overhaul could overwhelm new users.

Pricing and Free Trial

FREE Plan:

Moonbeam provides an option for users to explore their services without immediate commitment through their Free Plan. This plan is designed to give users limited access to Moonbeam’s features, allowing them to get acquainted with the platform and its capabilities.

The Free Plan is a great starting point for individuals who are new to Moonbeam and wish to test its functionalities before deciding to upgrade to a paid subscription.

PRO Plan – US$ 49/month (billed yearly)

The PRO plan enable you to:

  • Experience Moonbeam AI at its best.
  • Harness the unlimited power of Moonbeam AI.
  • Unlimited long-form writing.
  • Unlimited social media posts.
  • Unlimited access to AI writing tools.
  • Unlimited access to Boss Mode.
  • Unlimited access to Moonbeam Chat.
  • Unlimited access to Ask Luna.
  • Moonbeam Wizard.
  • Custom style generator.
  • This plan is for 1 user.
TEAM Plan – $99/month per seat

In TEAM plan you’ll be able to use following options:

  • A team plan with multi-user support.
  • Best for enterprises and startups.
  • Includes all PRO features.
  • Integrate with your tools.
  • Collaborative real-time editing.
  • Multiple Users.
  • Priority Support.
Get MoonbeamOur Best Recommendation for AI writing tool

Refund Policy and Customer Support

Moonbeam’s Customer Service and Refund Policy are designed to ensure customer satisfaction and a worry-free experience:

Refund Policy
  • Moonbeam offers a 100% risk-free subscription. Customers who sign up for a paid plan can fully explore what Moonbeam has to offer over 30 days.
  • If, within these 30 days, a customer decides that Moonbeam does not meet their needs, they are entitled to a full refund of their payment.
  • Moonbeam prioritizes customer confidence and satisfaction; hence the refund process is straightforward, with no questions asked.
Customer Service Policy
  • Moonbeam is committed to providing exceptional customer service. The team behind Moonbeam understands the importance of support and strives to ensure every user has the best possible experience.
  • For any inquiries, issues, or assistance, customers can reach out via email.
  • Moonbeam’s customer service team is dedicated to prompt and helpful responses, ensuring that any issues are resolved efficiently and to the customer’s satisfaction.

Read Our Moonbeam Review

9. ChatGPT – Best for Academic Proposal Hypothesis and Methodology Detailing

ChatGPT stands out in AI writing tools, offering personalized, interactive proposal writing assistance and is known best for academic proposal hypothesis and methodology detailing.

It combines the power of advanced AI with the flexibility of conversational interactions, making it an invaluable asset for crafting tailored, persuasive proposals.

With features designed to support every stage of the writing process, from ideation to the final proofreading, ChatGPT acts as a comprehensive writing partner that adapts to and learns from your preferences, ensuring your proposals resonate with your audience and achieve their objectives.


Feature Details
My Rating 3/5
Best for Academic proposal crafting, hypothesis formulation, methodology detailing, data collection strategy, analysis plan, and academic rigor
Pricing Starter Free plan, US$ 20 – $30/month. Enterprise plan has custom pricing
Word Count Unlimited
Number of Seats 1 – 2000 seats
Templates 2500+ prompt templates
Languages Supported 50+ languages
Plagiarism Check Not Applicable
Grammar Check Yes
Brand Voice Custom as per input
Language Model Natural language processing
Integration 12 integrations, including Microsoft and Chrome
Data Security Robust data security
Free Trial Free version with limited features
Customer Support available via live chat
Refund Policy It does not offer refunds on subscription
Refund Coverage Days Not Applicable

ChatGPT stands out as a dynamic AI writing assistant tailored for proposal writing, with plans starting from a free starter option to premium plans priced up to US$ 20 per month. It’s designed to accommodate a wide user base, supporting up to 2000 seats, making it ideal for both solo proposal writers and extensive writing teams.

The platform boasts over 2500 prompt templates, providing substantial assistance to proposal writers in structuring and refining their proposals. With the capability to operate in over 50 languages, ChatGPT is a valuable tool for proposal writers working on international projects or needing to communicate across various languages.

While ChatGPT lacks a plagiarism checker, it includes a grammar check feature to uphold the quality of proposals. It integrates with 12 different platforms, like Microsoft and Chrome, boosting its accessibility and enhancing the proposal writing process for users.

ChatGPT excels in interactive writing assistance, delivering in-depth contextual insights that are crucial for crafting coherent and persuasive proposals. The tool’s adaptability in writing styles enables proposal writers to establish unique narrative voices and tones, aligning with the specific demands of their proposals.

Proposal writers can leverage ChatGPT to create dynamic content and innovative ideas, enriching the narrative of their proposals. Through API integration with various writing platforms, ChatGPT offers a streamlined writing experience, facilitating real-time editing and feedback.

ChatGPT is designed to evolve, providing a personalized writing experience that adapts to the unique styles and needs of proposal writers. Although there is no refund policy, ChatGPT’s free plan allows writers to test its features. Customer support is available via live chat, ensuring that ChatGPT remains an invaluable resource for proposal writers, aiding them from the conception of their proposal to the final submission.


    • Real-time, interactive assistance simplifies the writing process.
    • Facilitates creative ideation and effective brainstorming.
    • Customizes style and tone to match proposal requirements.
    • Ensures proposals are polished with editing and proofreading.
    • Adapts to user preferences for personalized assistance.


    • Requires active engagement for best results.
    • Creativity might be limited by the AI’s current knowledge.
    • Style adaptation requires consistent use and feedback.
    • May not replace the need for human insight in certain contexts.

Pricing and Free Trial

ChatGPT offers several plans for diverse user needs:

  • Free Plan: This plan is free, offering basic features with limited queries per month.
  • Plus Plan: Priced at US$ 20/month.
  • Teams Plan: Priced at $30/month (when billed monthly) and $25/month (when billed annually).
  • Enterprise Plan: ChatGPT’s Enterprise plan is tailored for large-scale business needs. Pricing is customizable based on specific requirements and usage. Contact OpenAI’s sales team for more information.

Refund Policy and Customer Support

  • ChatGPT does not offer refunds on any of their subscription plans.
  • You can get in touch with their customer support available via live chat.

Read Our ChatGPT Review

10. Fundwriter.ai – Best for Funding Proposal Writing and Outcome Articulation

Fundwriter.ai is designed to meet the unique needs of professionals and organizations in the fundraising and grant-writing sectors, positioning it best for funding proposal writing and outcome articulation. This AI-powered tool streamlines the proposal writing process, enabling users to craft compelling, persuasive funding requests with ease.

By offering unlimited AI-generated writing and access to a broad range of writing models, Fundwriter.ai ensures that your proposals not only meet but exceed the expectations of potential funders.

It’s an invaluable asset for anyone seeking funding through meticulously crafted proposals.


My Rating 1.5/5
Best for Funding proposal writing, outcome articulation, financial justification, persuasive argumentation, stakeholder alignment, and goal clarity
Pricing US$ 29 – $89 monthly
Word Count Unlimited words
Number of Seats Not Applicable
Templates 30+ Templates
Languages Supported English
Plagiarism Check Not Applicable
Grammar Check Not Applicable
Brand Voice Not Applicable
Language Model Not Applicable
Integration Not Applicable
Data Security Not Applicable
Free Trial 7 days
Customer Support Via email at team@fundwriter.ai
Refund Policy Not Applicable
Refund Coverage Days Not Applicable

Fundwriter.ai stands out as a dedicated tool designed to assist in the nuanced field of proposal writing, particularly in the fundraising domain. Offering a pricing starting from US$ 29 monthly, the platform provides robust features tailored to enhance the proposal creation process.

At the core of Fundwriter.ai’s offerings is the Unlimited AI-Generated Writing feature, allowing users to produce infinite content, thus removing any barriers to the volume or creativity in their proposal writing tasks. The platform supports this with access to 30+ Writing Models, enabling a diverse range of proposal styles and formats to suit various funding application requirements.

An innovative aspect of Fundwriter.ai is its AI-Powered Idea Generators, which facilitate brainstorming and the development of unique, compelling proposal concepts. Additionally, the platform allows for Unlimited Projects, empowering users to manage multiple fundraising initiatives concurrently without constraints.

Subscribers to Fundwriter.ai benefit from Early Access to New Features, ensuring they have the cutting-edge tools and functionalities to stay ahead in the competitive fundraising landscape. Moreover, users gain Full Access to The Fundraising Authority, a repository of in-depth resources, guides, and expert insights designed to augment the proposal writing process and bolster fundraising strategies.

While specific details on the number of seats, plagiarism, and grammar checks, and data security are not specified, Fundwriter.ai offers a 7-day free trial, allowing prospective users to explore its capabilities. Customer support is readily available via email at team@fundwriter.ai, ensuring users have the necessary assistance when needed.


    • Endless content generation for diverse fundraising proposals.
    • Broad selection of writing models to fit any proposal need.
    • Innovative ideas for proposals with AI-powered generators.
    • Manage multiple fundraising campaigns with unlimited projects.
    • Stay ahead with early access to the latest features and tools.


    • Navigating through 30+ writing models may require a learning curve.
    • The breadth of unlimited content could potentially dilute focus.
    • Early access features may come with initial bugs or adjustments.
    • The wealth of resources in The Fundraising Authority might overwhelm beginners.

Pricing and Free Trial

Basic Plan – US$ 29 /month (billed monthly)
  • Access to 20,000 words per month.
  • Includes 30+ writing models.
  • AI-powered idea generators.
  • Allows for an unlimited number of projects.
  • Comes with 2 courses from The Fundraising Authority, valued at up to $184.
Professional Plan – $89/month (billed monthly)
  • Provides unlimited words.
  • Includes all features of the Basic Plan.
  • Early access to new features.
  • Full access to The Fundraising Authority courses, valued at $1,299.
Free trial:
  • We offer a free 7-day trial that allows you to generate up to 10,000 words with AI.
  • Both plans offer a free trial , allowing users to try the services before committing to a paid subscription.
  • This free trial enables potential customers to evaluate the tools and features provided by FundWriter.ai to ensure they meet their needs before making a purchase decision.

Refund Policy and Customer Support

Fundwriter.ai encourages customers to utilize their services with the assurance of flexibility. If a customer decides to cancel their plan, FundWriter.ai will cease the generation of new AI content.

However, the customer will retain access to their existing projects and the ability to review all previously generated writing in each project’s History.

Fundwriter.ai is dedicated to maintaining open lines of communication with its clients. They encourage customers to reach out with any questions or if they are interested in working together.

Clients can send a message directly through a provided messaging platform, ensuring a straightforward way to initiate a dialogue. Additionally, for more in-depth inquiries or specific assistance, customers can contact the support team via email at team@fundwriter.ai.

Fundwriter.ai’s customer support team is committed to providing timely and helpful responses, aiming to foster a collaborative relationship and resolve any issues or queries that clients may have.

Read Our Fundwriter.ai Review

11. Paraphrasing Tool – Best for Sales Proposal Customization and Enhancement

The Paraphrasing Tool is an AI-powered solution designed to enhance the proposal writing process by offering many features to refine and optimize content, establishing this tool best for sales proposal customization and enhancement.

This tool stands out for its ability to process unlimited words, ensuring that your proposals are not unique and plagiarism-free but also articulate and engaging.

With capabilities ranging from text generation to advanced grammar checks, the Paraphrasing Tool is ideal for professionals seeking to elevate the quality of their proposals through precise editing and creative content generation.


Feature Details
My Rating 1/5
Best for Sales proposal customization, content enhancement, persuasive phrasing, client-specific adaptation, and conversion optimization
Pricing US$ 12 – Solo Text Generation, $7 – Solo Paraphrasing Tool, $20 – All-In-One Bundle Tools
Word count 25000 – Unlimited
Credits/month Not Applicable
Number of Seats Not Applicable
Brand voice Not Applicable
Templates Not Applicable
Plagiarism Yes
Grammar checker Yes
Languages Supported Not Applicable
Integration and API Not Applicable
Data security Not Applicable
Language model Not Applicable
Free Trial Not Applicable
Customer Support Available via Email
Refund Policy Yes
Refund Coverage Days 2 days

The Paraphrasing Tool is a dynamic content enhancement platform tailored for proposal writing, offering a suite of features to automate and refine content creation. With pricing options like US$ 12 for Solo Text Generation, $7 for Solo Paraphrasing, and $20 for an All-In-One Bundle, it caters to various user needs.

Unlimited Words capability, allowing up to 20,000 characters per input, is a standout feature, enabling users to extensively revise and enhance sections of a proposal without worrying about word count limits. This is especially useful for in-depth proposal sections requiring detailed attention.

A key component of the tool is the Plagiarism Checker, which is essential for ensuring the uniqueness and integrity of your proposal content. It helps confirm your original text, bolstering the proposal’s credibility.

For handling larger text volumes, the tool offers processing of up to 25,000 words per input, facilitating concurrently the efficient refinement and polishing of sizable proposals or multiple documents.

Text Generation is another significant feature, allowing for the creation of original content to support various sections of your proposal, aiding in audience engagement and supporting your main objectives.

The AI Content Detector is designed to identify parts of the proposal that may be perceived as AI-generated, enabling users to make necessary adjustments to align with human quality standards.

With the Paraphraser, users can reword existing content while preserving the original meaning, enhancing the proposal’s readability and engagement without changing the intended message.

It has a Grammar Checker, which is crucial for ensuring that the proposal is error-free, professional, and clear, enhancing its readability and effectiveness.

The Text Summarizer feature allows users to condense lengthy texts into concise, impactful statements, ideal for creating executive summaries or emphasizing key proposal points succinctly.

Lastly, the AI Content Bypasser helps navigate any restrictions on AI-generated content, adjusting the text to appear more human-like and personalized, ensuring the proposal meets all contextual standards.

Customer support is Available via Email, and there is a refund policy with a 2-day coverage period, offering some level of assurance and support to users. While specific details on language support, integration, and data security are not provided, these core features make the Paraphrasing Tool a valuable asset for proposal writers seeking to enhance their content’s effectiveness and integrity.


    • Handles extensive proposal sections with high character limits per input.
    • Enhances content originality and integrity with a reliable plagiarism checker.
    • Facilitates the creation of diverse content types to enrich proposals.
    • Improves content quality with advanced paraphrasing and grammar checks.
    • Summarizes key points effectively, making proposals more accessible.


    • High-volume content processing may require careful review to ensure context and nuances are preserved.
    • The distinction between AI-generated and human-like content requires fine-tuning.
    • Relying on automated grammar checks might overlook subtle language nuances.

Pricing and Free Trial

The paraphrasing AI tool offers several pricing plans with different features:

Monthly Plans:

  • Solo Text Generation: $15/Month
    • Text Generation: 25,000 Words
    • Paraphrasing Tool: Not included
    • Plagiarism Checker: Not included ( 5000 words limit)
    • AI Content Detector: Not included
    • AI Content Bypasser Tool: Not included
  • Solo Paraphrasing Tool: $7/Month (or $15/Month without discount)
    • Text Generation: Not included
    • Paraphrasing Tool: Unlimited (20,000 characters per input)
    • Plagiarism Checker: Not included ( 5000 words limit)
    • AI Content Detector: Not included
    • AI Content Bypasser Tool: Not included
    • Note: 67% discount when billed annually.
  • All-In-One Bundle Tools: $20/Month
    • Text Generation: 50,000 Words
    • Paraphrasing Tool: Included
    • Plagiarism Checker: Included ( 5000 words limit)
    • AI Content Detector: Not included
    • AI Content Bypasser Tool: Included

Yearly Plans

  • Solo Text Generation: US$ 12/Month (Billed $144 annually)
    • Text Generation: 300,000 Words
    • Paraphrasing Tool: Not included
    • Plagiarism Checker: Not included (60,000 words limit)
    • AI Content Detector: Not included
    • AI Content Bypasser Tool: Not included
    • Note: FUP (Fair Usage Policy) Applied
  • Solo Paraphrasing Tool: $5/Month (or $15/Month without discount, Billed $60 annually)
    • Text Generation: Not included
    • Paraphrasing Tool: Unlimited (20,000 characters per input)
    • Plagiarism Checker: Not included (60,000 words limit)
    • AI Content Detector: Not included
    • AI Content Bypasser Tool: Not included
  • All-In-One Bundle Tools: $16/Month (Billed $192 annually)
    • Text Generation: 600,000 Words
    • Paraphrasing Tool: Included
    • Plagiarism Checker: Included (60,000 words limit)
    • AI Content Detector: Not included
    • AI Content Bypasser Tool: Not included

All plans appear to come with a “Try for free” option, suggesting that potential customers can test the services before committing to an annual plan.

Refund Policy and Customer Support

Paraphrasing tool has extensive refund and customer support policy to facilitate its users.

Customer Policy

Customers wishing to cancel their subscriptions can do so easily by following a two-step process. First, they must visit the provided URL at their website.

Next, they will need to log in using their billing email address—the one given during checkout—and a password that will be sent to this email upon purchase.

The Paraphrasing Tool assures its customers of security by utilizing a PCI compliant provider to uphold payment card industry security standards.

Refund Policy

The Paraphrasing Tool offers a clear and straightforward refund policy. If a customer is not satisfied with the service, they are eligible for a full refund within 2 days (48 hours) of their payment.

However, this refund policy does not apply to the “AI Content Bypasser Tool,” which is non-refundable under any circumstances. Refunds are granted under specific conditions:

  • If the customer’s account has not been upgraded to premium status after payment.
  • If the customer is unable to access Premium Modes.
  • If the customer is dissatisfied with the quality of the results—this condition is only applicable to the first refund. Subsequent purchases will not be eligible for a refund based on dissatisfaction with output quality.

Read Our Paraphrasing Tool Review

How to Choose the Right AI Writing Tools for Proposal Writing?

Choosing the best AI tools for proposal writing is essential to ensure the effectiveness and efficiency of your writing process. With the plethora of options available, it’s important to consider several key factors to find the tool that best aligns with your specific needs and goals. Here are essential points to guide your decision:



Pricing for AI writing tools specialized in proposal writing varies widely, from free versions to premium services, with costs typically ranging from $6.99 to $249 per month, and some offer custom pricing.

Word Count

Word count offerings in AI writing tools vary, from tools providing a cap as low as 2000 words per month in free versions to those offering unlimited words, catering to diverse user needs.

Number of Seats

AI writing tools for proposal writing offer a range of user licenses, from individual accounts to 20 multi-user licenses, with some providing unlimited access and accommodating teams of various sizes.


These tools offer a broad selection of templates, from 40 to over 100, designed to meet various proposal writing needs, including specialized short form templates.

Languages Supported

AI writing tools for proposal writing support a range of languages, from English only to over 95, catering to a diverse global user base, with some tools offering nearly universal language support.

Plagiarism Check

Many AI writing tools for proposal writing include plagiarism checks, ensuring the originality and integrity of the content produced.

Grammar Check

Grammar checking is a standard feature in nearly all AI writing tools for proposal writing, providing assurance of grammatical accuracy in the generated content.

Brand Voice

AI writing tools offer brand voice customization, ranging from a single option to multiple choices, allowing users to tailor the content’s tone to their brand’s style.

Language Model

All AI writing tools for proposal writing are powered by advanced models such as GPT-4 and NLP, leveraging large datasets for sophisticated writing assistance.


Integration capabilities vary significantly among AI writing tools, with some offering over 500 integrations with various platforms to enhance user experience and functionality.

Data Security

Data security is paramount in AI writing tools, with many emphasizing robust protection measures, though some may use data for promotional purposes.

Free Trial

Most AI writing tools for proposal writing offer free trials, enabling users to evaluate the tool before committing, with some providing entirely free versions.

Customer Support

Customer support in AI writing tools is primarily available via email, with some tools also offering live chat and website support for immediate assistance.

Refund Policy

Refund policies vary among AI writing tools, with many not offering refunds while others provide a 100% money-back guarantee to ensure customer satisfaction.

Refund Coverage Days

The refund coverage period in AI writing tools can range from 2 to 30 days, offering users different time frames to decide on the tool’s suitability for their needs.

How AI Writing Tools Enhance Proposal Writing?

Incorporating AI writing tools into proposal writing streamlines the process, boosting creativity, coherence, and persuasiveness, ultimately elevating the quality of the proposals produced.


Here’s how AI tools for proposal writing can enhance your overall experience;

Improved Efficiency

AI tools significantly reduce the time spent on drafting proposals by offering quick generation of text, allowing for more time to refine and customize the content.

Enhanced Accuracy

These tools help minimize errors, ensure grammatical precision, and maintain a professional tone throughout the proposal, which is crucial for making a positive impression.

Content Optimization

AI can analyze vast amounts of data to suggest content improvements, ensuring the proposal is aligned with the client’s needs and expectations.

Creativity Boost

By providing suggestions and alternative phrasings, AI tools can spark creativity, helping writers overcome blocks and enhance the proposal’s persuasive appeal.

Consistency Maintenance

These tools assist in maintaining a consistent tone and style throughout the proposal, which is essential for clear communication and branding.

Data-driven Insights

AI can offer insights based on data trends, helping writers to craft proposals that are not only well-written but also strategically aligned with industry or client insights.

Collaboration Enhancement

AI tools can facilitate better collaboration among team members, enabling real-time editing, feedback, and version control, which are crucial for crafting a cohesive proposal.

The Future of Proposal Writing with AI

The best AI tools for proposal writing are set to redefine the landscape, making the process more intuitive, innovative, and aligned with the evolving expectations of clients and industries.


Personalization at Scale

AI will enable the creation of highly personalized proposals, analyzing recipient data to tailor content, tone, and messaging for maximum impact.

Interactive Proposals

Future AI tools may introduce interactive elements into proposals, allowing recipients to engage with the content dynamically, enhancing understanding and retention.

Real-time Adaptation

AI could offer real-time suggestions based on recipient feedback, allowing writers to adapt proposals instantly to improve their persuasiveness and relevance.

Enhanced Data Integration

The ability to seamlessly integrate and analyze data within proposals will improve, providing writers with powerful insights to support their arguments and recommendations.

Automated Research

AI tools will be able to conduct comprehensive research automatically, gathering and synthesizing relevant information to bolster the proposal’s content and credibility.

Evolution of Storytelling

With AI’s help, the art of storytelling in proposals will evolve, enabling writers to craft narratives that resonate deeply with the audience, driving engagement and persuasion.

Greater Accessibility

As these tools become more sophisticated and user-friendly, they will become more accessible to a broader range of users, democratizing high-quality proposal writing.

Want to Read More? Explore Best AI Writing Tools Guides!

Enhance your writing skills with our carefully selected guides on AI writing tools


Here are some of the most commonly asked questions about best AI tools for proposal writing.

Yes, AI can assist in crafting grant proposals by generating content and integrating relevant data, making the process efficient.

AI will augment, not replace, proposal writers by automating tasks and enhancing content creation, focusing writers on strategic elements.

Yes, AI tools are adaptable to various industries, offering tailored insights and templates for sector-specific proposals.

No, advanced technical skills are required to use AI writing tools; they are user-friendly and provide sufficient guidance.


In proposal creation, using advanced writing tools marks a significant turning point for writers and editors. These tools support refining proposals, ensuring each document is engaging and meticulously presented. With the assistance of the best AI writing tools for proposal writing, producing clear, impactful, and error-free proposals becomes less daunting and more of a streamlined workflow.

Looking to the future, the continued integration of these tools promises to elevate the quality of proposals further, allowing writers to meet and exceed the rigorous demands of professional standards with confidence and ease.

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Dave Andre


Digital marketing enthusiast by day, nature wanderer by dusk. Dave Andre blends two decades of AI and SaaS expertise into impactful strategies for SMEs. His weekends? Lost in books on tech trends and rejuvenating on scenic trails.

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