Nonprofit organizations are consistently challenged by the competitive grant funding landscape. Crafting compelling grant proposals requires time, precision, and strategic alignment with funder expectations—tasks that AI-driven technology can greatly simplify and enhance.
To help you make informed decisions, we’ve curated detailed reviews of the top AI grant writing tools designed specifically to streamline and elevate your nonprofit’s funding efforts.
To get help with grant writing, consider posting a job for an experienced freelance or remote grant writer.
Table of AI Grant Writing Tools Reviewed
Top five grant writing tools comparison table:
Tool Name | Free Trial | Starting Plan Price (per month) | Pro Plan Price (per month) | Key Feature |
---|---|---|---|---|
Grantboost | Yes | Free | $19.99 | Tailored nonprofit templates |
Grantable | Yes | Free | Contact Sales | Historical proposal analysis |
Instrumentl Apply | Yes | $899 | Contact Sales | Compliance verification |
Fundwriter.ai | Yes | $29 | Contact Sales | AI-driven narrative crafting |
Submittable | Contact Sales | Contact Sales | Contact Sales | Centralized document management |
Grantboost
Grantboost stands out as a highly specialized AI-powered grant writing platform explicitly built with nonprofit needs in mind. Unlike generic AI tools, Grantboost’s algorithms are trained specifically on successful grant proposals, ensuring tailored, funder-friendly content. Users provide simple organizational details through intuitive surveys, allowing Grantboost to quickly draft robust, structured, and highly persuasive initial grant proposals. Additionally, it remembers and adapts to your organization’s unique writing style and language, ensuring consistency across your submissions.
- Generate tailored proposal drafts by inputting organizational details through user-friendly surveys.
- Automatically analyzes funder guidelines to craft optimized responses that meet specific grant criteria.
- Remembers your organization’s previous grant submissions, refining its understanding of your voice, tone, and strategy over time.
- Allows teams to collaborate seamlessly, review proposals, and suggest edits within a unified platform.
- Adapts and improves its suggestions based on your successful proposals, ensuring proposals become increasingly targeted and effective.

Example use case: A small nonprofit addressing homelessness might input details about a specific housing initiative into Grantboost’s surveys. The tool then drafts a grant proposal highlighting relevant program outcomes, aligning perfectly with funder priorities, significantly reducing writing time from weeks to days.
Grantable
Grantable revolutionizes the traditional grant-writing workflow by intelligently leveraging past successes. This platform stores and analyzes previously funded proposals to understand precisely what elements resonate most effectively with various types of funders. By cross-referencing new grant opportunities with your historical successes, Grantable creates first-draft proposals highly optimized for success. It also simplifies the proposal process by extracting application guidelines directly from funding portals, ensuring alignment with grant requirements and saving hours of manual research.
- Leverages your past successful grant applications to replicate winning strategies in new submissions.
- Automatically tailors your proposal to match the priorities and language preferences of specific funders.
- Directly pulls and integrates funder requirements from online portals into your draft proposals.
- Provides clear visualization and tracking of proposal progress, submission deadlines, and application status.
- Continuously offers detailed suggestions to improve your narrative flow, content clarity, and overall persuasiveness.

Example use case: An educational nonprofit applying for STEM grants can upload past successful proposals into Grantable. The AI identifies themes and language that have historically resonated with STEM-focused funders, crafting a proposal draft tailored specifically for the new application, effectively increasing their chances of approval.
Instrumentl’s Apply
Instrumentl’s Apply is another nonprofit-centric AI solution that rapidly enhances grant writing efficiency by learning directly from your organization’s grant application history. Apply not only generates strong first drafts but also automatically ensures compliance with funder guidelines.
By intelligently analyzing your historical proposals, Instrumentl’s Apply suggests strategic content placement, effective narratives, and impact statements proven to resonate with funders, making it ideal for organizations aiming for increased proposal quality and approval rates.
- Quickly creates strong, complete initial drafts tailored specifically to your organization’s strengths and past successful narratives.
- Automatically verifies your proposal against specific grant requirements and funder guidelines, significantly reducing rejection risks due to compliance errors.
- Suggests enhancements in narrative structure, clarity, and strategic emphasis based on successful past proposals.
- Facilitates team input, edits, and collaboration directly within the grant proposal drafts, streamlining internal approval processes.
- Provides comprehensive tracking of submission status, historical data insights, and proposal outcomes to continuously refine future applications.

Example use case: A conservation nonprofit with limited staff uses Instrumentl’s Apply to generate drafts for several environmental grant opportunities simultaneously. The AI ensures each proposal meets unique funder expectations, significantly reducing proposal-writing workloads and increasing the nonprofit’s overall submission volume and quality.
Submittable
Submittable offers nonprofits a streamlined approach to managing and submitting grant proposals. This platform integrates AI-driven tools to enhance clarity, consistency, and effectiveness across all proposals. With Submittable, teams can automate repetitive administrative tasks, organize all grant-related documentation, and leverage advanced analytics to understand proposal performance, refining future submissions.
- Centralized document management to streamline collaboration and revisions.
- Advanced analytics providing insights into submission success rates and funder preferences.
- Automated reminders and deadline tracking to ensure timely submissions.
- AI-powered content enhancement suggestions to improve clarity, tone, and persuasiveness.
- Simplified reporting tools to track and share proposal outcomes internally.
Example use case: A healthcare nonprofit uses Submittable to centralize all grant proposal processes. By automating routine tasks, teams focus more on strategic writing and less on administrative burdens, resulting in higher-quality proposals and improved funding outcomes.
Fundwriter.ai
Fundwriter.ai specializes in providing nonprofits with advanced AI tools focused explicitly on enhancing grant narratives. Recognizing that storytelling is central to grant success, Fundwriter.ai employs advanced natural language processing to craft compelling, mission-aligned narratives from user-provided inputs. The platform also analyzes previously successful proposals to recommend content enhancements and strategic adjustments, empowering even small teams to produce high-quality, emotionally resonant grant applications efficiently.
- Uses AI to craft detailed narrative sections and compelling storytelling tailored explicitly to nonprofit missions and funder interests.
- Learns from past successful grant applications to replicate persuasive elements and proven storytelling structures.
- Real-time suggestions and narrative enhancements to improve readability, emotional impact, and alignment with grant criteria.
- Team-friendly collaboration features allowing seamless internal revisions and suggestions directly within the draft.
- Comprehensive library of nonprofit-specific proposal templates for different funding categories, customizable through AI recommendations.

Example use case:
A small nonprofit focused on mental health advocacy inputs core project details into Fundwriter.ai. The AI generates emotionally compelling narrative sections emphasizing community impact and success stories, significantly enhancing the proposal’s persuasive power and increasing funding success rates.
ProposalCentral
ProposalCentral uniquely integrates AI-driven tools tailored for nonprofits pursuing research-oriented and technically complex grant opportunities. Especially beneficial for organizations in fields like healthcare, scientific research, and technology-driven social innovation, ProposalCentral utilizes advanced analytics to suggest highly relevant funding matches and provides structured AI assistance for developing detailed, scientifically rigorous proposal content.
- Advanced AI-driven matching algorithms identifying highly specialized and technical grant opportunities aligned with organizational expertise.
- Structured AI-guided drafting assistance specifically designed to handle detailed and technically sophisticated proposal content.
- Compliance verification tools that ensure proposals precisely match stringent funder-specific guidelines, reducing rejection risks.
- Integrated collaborative editing and version control system facilitating seamless team communication during proposal development.
- Robust tracking and reporting features, allowing detailed insights into submission outcomes, enabling strategic improvements for future funding cycles.
Example use case:
A nonprofit biomedical research organization leverages ProposalCentral to identify highly specialized research funding. The platform’s AI guides the detailed drafting of complex sections, ensuring proposals meet the precise technical standards required by funders, significantly enhancing the organization’s competitiveness and funding success.
HyperWrite
HyperWrite equips nonprofit grant writing teams with robust AI-driven writing assistance tools specifically designed to improve writing efficiency and content effectiveness. Nonprofit users benefit from HyperWrite’s intuitive interface and real-time AI writing guidance, streamlining the drafting of complex, narrative-driven proposals. Its unique predictive writing features suggest relevant, persuasive content aligned with funder interests, significantly accelerating proposal development cycles.
- Real-time AI predictive writing assistance, anticipating and suggesting next sentences and paragraphs based on context and user input.
- Specialized narrative enhancement features tailored to improve proposal storytelling, emotional engagement, and persuasive clarity.
- Seamless integration with popular document and project management platforms used by nonprofits, such as Google Docs and Microsoft Word.
- Team collaboration tools enabling efficient internal review, feedback, and revisions directly within proposals.
- Comprehensive style and grammar enhancement recommendations, ensuring high-quality, professional-grade proposal submissions.

Example use case:
A youth empowerment nonprofit uses HyperWrite’s predictive text feature to quickly draft engaging proposal sections highlighting impactful youth stories. The AI significantly reduces the writing time required, allowing the nonprofit team to submit more high-quality proposals in less time.
Grant Assistant
Grant Assistant is an AI-driven platform tailored for nonprofits, aiming to expedite the grant writing process and enhance proposal quality. Developed by experts with backgrounds in organizations like USAID and the UN, it offers specialized features to address complex grant requirements.
- Provides end-to-end support, from initial drafting to final submission, ensuring all aspects of the proposal are covered.
- Analyzes RFPs and NOFOs to generate concise summaries, aiding in quick decision-making.
- Offers templates for various proposal components, including monitoring and evaluation plans.
- Ensures the generated content aligns with the organization’s voice and mission.
- Adheres to NIST standards, ensuring data privacy and security.
Example use case: A nonprofit aiming to secure a USAID grant utilizes Grant Assistant to swiftly analyze the solicitation, generate a compliant proposal, and reduce the typical drafting time by two-thirds.
Purpose AI Grant Assistant
Purpose AI Grant Assistant is designed to simplify the grant writing process for nonprofits by leveraging AI to discover and craft high-quality grant proposals.
- Identifies suitable grant opportunities aligned with the organization’s mission.
- Generates compelling narratives tailored to specific grant requirements.
- Ensures ease of use, even for those with limited technical expertise.
- Allows organizations to input specific details to tailor proposals accordingly.
- Accelerates the proposal development process, enabling quicker submissions.

Example use case: A community-based nonprofit seeking local funding employs Purpose AI Grant Assistant to identify relevant opportunities and draft personalized proposals, enhancing their chances of success.
RFP & Grant AI Writing Assistant
This tool, available through Microsoft AppSource, caters to nonprofits by streamlining the grant and RFP writing process using AI capabilities.
- Generates tailored content based on specific grant criteria and organizational information.
- Reduces the hours typically spent on drafting proposals.
- Ensures coherent, compelling, and error-free submissions.
- Designed for organizations of all sizes, from small nonprofits to large institutions.
- Seamlessly works within the Microsoft ecosystem for enhanced productivity.
Example use case: An educational nonprofit leverages the RFP & Grant AI Writing Assistant to efficiently draft proposals for government funding, ensuring alignment with specific requirements and improving submission quality.
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