Updated February 2026

7 Best AI Writing Assistants for Non-Profits (2026)

Don't waste money on the wrong tools. We analyzed the top AI Writing Assistants to help you find the perfect match for non-profits.

#1 RECOMMENDED
Grantable Logo

Grantable

🏆 Grant Writing
4.8/5

Specialized for grant writing. It stores your organization's past proposals and facts, then uses AI to auto-draft answers for new grant applications, saving hundreds of hours.

Stores 'DNA' of your org Tailors answers to specific questions Collaborative workspace
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Runner Ups

#2
Claude 3

Claude 3

Impact Reports
4.9

Excellent for impact reporting. Feed it spreadsheets of data and beneficiary stories, and Claude can synthesize them into a compelling narrative report for donors with high nuance and empathy.

What we like
  • Handles large documents (Context)
  • Empathetic, human tone
  • Secure and private
Drawbacks
  • No templates
  • Web access is limited

Starting at

Free / $20/mo

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#3
ChatGPT Plus

ChatGPT Plus

Donor Communications
4.8

The jack-of-all-trades for small teams. Use it to draft volunteer newsletters, thank-you letters, and social posts. Custom GPTs can be trained on your mission statement to keep tone consistent.

What we like
  • Affordable versatility
  • Custom GPTs for specific programs
  • Fast drafting of emails
Drawbacks
  • Data privacy concerns (opt-out needed)
  • Generic output requires editing

Starting at

$20/mo

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#4
Grammarly

Grammarly

Professionalism
4.8

Protects your reputation. In the non-profit world, clarity and professionalism are key to trust. Grammarly ensures every donor email and public statement is polished and error-free.

What we like
  • Tone detector (ensure empathy)
  • Works in email clients
  • Style guides for teams
Drawbacks
  • Can miss context
  • Premium needed for style checks

Starting at

Free / $12/mo (Non-profit discounts)

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#5
Jasper

Jasper

Fundraising Copy
4.6

Good for fundraising campaigns. Its templates for 'Problem-Agitate-Solution' are perfect for writing compelling donation pages that drive action.

What we like
  • Copywriting frameworks that convert
  • Campaign asset management
  • Brand voice control
Drawbacks
  • Expensive for lean non-profits
  • Learning curve

Starting at

$39/mo

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Frequently Asked Questions

Common questions about choosing the right software.