Discover the best AI tools for grant writing in 2025 and learn how nonprofits can choose the right platform for their needs. This guide breaks down top features, pricing, and pros and cons to help fundraising teams boost efficiency and improve their grant success.

TOPIC
AUDIENCE
AI isn’t the future of grant writing anymore; it’s the present. Fundraising teams are turning to AI tools to save time and increase their overall grant capacity. The ones who resist it risk being left behind.
But with new platforms appearing constantly—each with varying promises for what they can actually do—you might feel overwhelmed trying to decide which could meet your specific needs (and budget).
That’s where we come in.
We’ve created this guide to break down the best AI for grant writing. Outlined below you’ll find summarized explanations of the top AI grant writing tools available, including their key features, pricing, and potential drawbacks.
Nonprofits are unique and so are their needs, meaning there’s no one-size-fits all solution. But by the end of this article, you should feel more confident choosing the right AI tool to support stronger, more efficient grant writing for your team.
When we talk about AI grant writing tools, we’re really talking about a few different solutions, each supporting different parts of the proposal development workflow. Some platforms combine multiple functions, while others focus on just one.
Here’s a quick overview:
These tools help draft, edit, and refine content, such as grant proposal language. They aren’t all designed exclusively for grants, but they can be adapted for this use easily.
Example: You paste an RFP section into an AI writing tool and ask it to:
These platforms use AI to surface relevant opportunities, analyze funder data, and/or interpret RFP requirements.
Example: You enter your mission, budget range, and geographic location into a tool. The AI:
These help teams stay organized by tracking deadlines, assigning sections, and managing versions.
Example: You upload your application outline. The system:
For a deeper dive into AI for grant writing, this webinar led by Meredith Noble is a helpful resource: AI for Grant Pros: What Every Grant Writer Needs to Know.
Grant writing is one of the most time-sensitive responsibilities many nonprofits face. Drafting from scratch, interpreting dense RFPs, refining language, and ensuring everything aligns with funder expectations can consume far more hours than teams realistically have.
And as Instrumentl’s recent Federal Funding Changes Report shows, grant funding has become increasingly competitive, with many nonprofits submitting more applications than in previous years to compensate for delayed announcements and fewer new federal opportunities.
AI helps relieve that pressure by supporting the earliest, most labor-heavy stages of writing. At a practical level, AI tools help grant writers:
For example, William and Mary University doubled their monthly submission rate from 30 to 70 applications with the help of AI grant writing.
The time savings can be significant, but so can the bump in success rates. According to a recent study by the Technology Association of Grantmakers, organizations that use AI-assisted grant writing tools have seen a 30% increase in their success rates compared to those relying on traditional methods.
These efficiencies add up. Rather than spending hours wrestling with early drafts, writers can redirect their energy to higher-level tasks, such as strategy development, data integration, impact storytelling, and reviewing proposals against scoring criteria.
The strongest AI grant writing tools tend to share a few core features. This section focuses on the specific features that influence how well a tool can support your workflow.
Look for tools that can:
Top tools may include:
Features that help teams stay coordinated include:
Many platforms also offer additional capabilities that make the writing process smoother, such as:
When choosing a tool, focus on the features that support your team’s biggest pain points—whether that’s writing, research, coordination or all of the above.
There are more AI grant writing tools on the market than ever before, which is why we’ve put together a practical breakdown of the most widely-used ones (starting with our top recommendation, Instrumentl Apply, the only AI tool built directly into an end-to-end grant platform).
Important Note: Some of the tools below are explicitly designed for grants, while others are general-purpose AI writing tools that can help with drafting or editing.

Best for: All-in-one grant prospecting, writing, and award management
Free plan: 14-day free trial (no credit card required!)
Price: Starting around ~$299/month
Key Features: Instrumentl Apply stands out because it isn’t just an AI writing assistant; it’s embedded directly into the full grant management system many nonprofits already rely on. With Instrumentl’s Fall 2025 Release, Apply now supports an even deeper, more integrated workflow.
Here’s what that looks like:
In short: Apply brings AI drafting into the same space where prospecting, task management, and reporting already live—something no other tool offers.
Where it shines:
Where it falls short: The price point may be out of reach for nonprofits with small grant teams or limited budgets.

Best for: Fast drafting from uploaded RFPs
Free plan: Free trial
Price: Custom pricing; contact for details
Key features: Grantable focuses almost exclusively on automated narrative generation. Its strength lies in speed: upload an RFP, and Grantable produces structured responses based on your prompts. Other key features include:
Where it helps
Where it falls short:

Best for: Writing proposals modeled on winning examples
Free plan: Yes!
Price: Book a demo to learn more about pricing
Key features: Grant Assistant uses a library of “winning grant samples” to help users structure their proposals. It’s popular among small nonprofits seeking language inspiration. It can also:
Where it helps:
Where it falls short:

Best for: Small teams needing fast proposal generation
Free plan: Yes
Pricing: Grantboost offers several tiers, including a free tier, Grantboost Pro ($19.99/month), and Grantboost Teams ($29.99/month)
Key Features: Grantboost emphasizes speed and simplicity, making it a fit for emerging organizations or solo writers needing quick grant copy. Other helpful features include:
Where it helps:
Where it falls short:

Best for: Eligibility checks and guided proposal building
Free Plan: No
Price: Pricing information unavailable
Key features: GrantOrb guides users through a “grant wizard” experience, which can be helpful for emerging nonprofits or newer writers who want a structured approach. This platform also offers:
Where it helps:
Where it falls short:

Best for: Streamlining sections of the grant proposal process
Free Plan: Yes!
Price: GrantWrite AI offers a basic plan ($10/month), a pro plan ($20/month), and an agency plan ($40/month)
Key features: GrantWrite AI is designed for smaller organizations who need help structuring and drafting proposal sections. It offers tools such as:
Where it helps:
Where it falls short:

Best for: Basic AI drafting connected to GrantWatch listings
Free Plan: No
Price: $249 annually (a subscription to GrantWatch is required)
Key features: GrantWatch’s AI tool is built on top of its listing directory and offers simple proposal drafting functionality, as well as:
Where it helps:
Where it falls short:

Best for: AI-assisted grant search and lifecycle tracking
Free Plan: 14-day free trial
Price: Plans starting at $19/month
Key features: OpenGrants offers grant discovery, light proposal tracking, and access to a consultant marketplace. AI-powered features include:
Where it helps:
Where it falls short:

Best for: Drafting, brainstorming, rewriting, and editing
Free Plan: Yes
Price: Pro plan starts at $20/month
Key features: ChatGPT is a powerful AI tool with countless uses - including grant writing. Key features:
Where it helps:
Where it falls short:

Best for: Improving grammar, tone, and clarity of proposals
Free plan: Yes
Price: ~$12/month
Key features: Grammarly is a writing quality tool, not a grant writing tool, but many grant professionals use it to refine and edit language by using these features:
Where it helps:
Where it falls short:

Best for: Rewriting or paraphrasing narrative sections
Free plan: Yes
Price: ~$10/month
Key features: Wordtune offers alternate phrasing options and helps grant writers improve clarity and tone. It can also:
Where it helps:
Where it falls short:

Best for: Team brainstorming and internal outlines
Free plan: Yes
Price: ~$10/month
Key features: Notion AI enhances Notion’s project management and workspace tools, helping teams organize content. This platform can also assist with:
Where it helps:
Where it falls short:
Some of the platforms listed above—including ChatGPT, Grammarly, Wordtune, and Notion AI—can absolutely support parts of the grant writing process. They can help with brainstorming, rewriting, polishing language, or structuring early ideas.
However, because these tools are not designed specifically for grants, they lack many of the core capabilities that nonprofits rely on to manage the full grant lifecycle. Most general-purpose AI tools:
These gaps are why many organizations eventually outgrow “AI-only” writing tools and look for a more integrated solution.
Picking the right AI grant writing tool starts with understanding what problem you’re actually trying to solve. Every organization has different bottlenecks, so the ideal tool is the one that addresses your team’s biggest time drains, not necessarily the one with the most features.
Start by identifying your top challenges.
Ask your team:
Then, match your needs to the tool type.
Here are a few examples:
Consider your team’s capacity and comfort level.
Tools differ dramatically in ease of use. Before committing, think about:
Choosing a tool that fits your team’s working style will make adoption smoother.
Pilot before you commit.
The best way to know if a tool is right for you is to test it with a real RFP. During your trial, look at:
If the tool doesn’t lighten your load, it’s not the right tool.
Once you’ve chosen an AI tool, the next step is making sure you use it effectively. AI can speed up drafting and improve clarity, but it still needs thoughtful human oversight to produce strong, fundable proposals.
Here are some tips and best practices to set you up for success.
Understand the tool’s strengths and limitations. AI excels at drafting, rewriting, and summarizing, but not at understanding your programs, community context, or relationships with funders.
Review all AI-generated content. AI can speed up the proposal drafting process, but every sentence still needs thoughtful review by a human before a proposal is submitted.
Make sure to:
As grant writer Katelynn Martin shared in Instrumentl’s expert roundup on AI,
“I always have to tweak it so it doesn’t sound totally robotic, but it’s taken the burden off what used to be the bane of my existence - the dreaded character limit.”
Watch for bias or deficit framing. Some language may unintentionally misrepresent the communities you serve. Rework phrasing as needed.
Use AI to accelerate—not replace—your expertise. Let AI handle early drafts and structure while your team adds strategy, nuance, and impact.
As nonprofit CEO Matt Hugg notes,
“There’s a saying that a writer’s biggest fear is a blank page. AI can be a big help in giving you a starting point. But by no means is it an ending point.”
AI grant writing tools can transform the proposal development process, helping teams draft faster, stay organized, and produce clearer, more compelling narratives.
But AI isn’t a replacement for strong storytelling, strategy, or funder relationships. It’s a supplement—a tool that boosts productivity and frees your team to focus on the parts of grant funding that matter most.
As the grant landscape continues to evolve, AI tools will play an increasingly important role in helping nonprofits stay competitive, work efficiently, and unlock more funding opportunities.
Instrumentl Apply stands out as the best AI for grant writing because it combines powerful AI drafting with the complete grant workflow: research, opportunity matching, proposal structuring, team collaboration, deadline tracking, and reporting all in one platform. You can try it out free for 14 days to see if it’s the right fit for your organization’s needs.
Table of contents