Best AI for Writing Cover Letters (Free & Paid) 2026
Writing a compelling cover letter for every job application is exhausting. AI tools can personalize each letter in seconds, matching your experience to the job description. We tested the top options so you don't have to.
Our Top 6 Picks
| Rank | Tool | Price | Best For |
|---|---|---|---|
| #1 | ChatGPT | $0-20/mo | Most versatile cover letter writer with deep customization |
| #2 | Claude | $0-20/mo | Best for natural, human-sounding cover letters |
| #3 | Teal | Free-$29/mo | Purpose-built job application platform with AI cover letters |
| #4 | Kickresume | $19/mo | AI-powered resume and cover letter combo |
| #5 | Grammarly | Free-$12/mo | Perfect for polishing any cover letter draft |
| #6 | Copy.ai | Free-$49/mo | Quick cover letter generation with templates |
Detailed Reviews
#1 ChatGPT BEST OVERALL
$0-20/mo
Most versatile cover letter writer with deep customization
Pros
- Tailors letters to specific job descriptions
- Handles any industry or role
- Free tier is surprisingly capable
Cons
- Generic output without detailed prompting
- No built-in templates
#2 Claude RUNNER UP
$0-20/mo
Best for natural, human-sounding cover letters
Pros
- Produces genuinely human-sounding prose
- Excellent at matching tone to company culture
- Long context handles full job descriptions
Cons
- No dedicated cover letter mode
- Requires good prompting
#3 Teal
Free-$29/mo
Purpose-built job application platform with AI cover letters
Pros
- Dedicated cover letter builder
- ATS optimization built in
- Tracks all your applications
Cons
- Best features behind paywall
- Limited free generations
#4 Kickresume
$19/mo
AI-powered resume and cover letter combo
Pros
- Professional templates included
- One-click cover letter from resume data
- ATS-friendly formatting
Cons
- Monthly subscription required
- Less flexible than general AI
#5 Grammarly
Free-$12/mo
Perfect for polishing any cover letter draft
Pros
- Catches every grammar and tone issue
- Works as a browser extension everywhere
- Tone detection for formality
Cons
- Doesn't generate cover letters from scratch
- Premium needed for advanced suggestions
#6 Copy.ai
Free-$49/mo
Quick cover letter generation with templates
Pros
- Pre-built cover letter templates
- Fast batch generation
- Free tier available
Cons
- Output can feel formulaic
- Less personalization depth
Our Verdict
Use ChatGPT or Claude for maximum flexibility and quality, then run through Grammarly for a final polish. If you want a dedicated platform, Teal is the best all-in-one job application tool.
How We Tested
We evaluated each tool based on output quality, ease of use, pricing, integrations, and real-world performance. Our recommendations prioritize tools that deliver the best results for your investment.
Disclosure: Some links in this article are affiliate links. We may earn a commission at no extra cost to you. We only recommend tools we genuinely believe in.
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