AI writing · Ranked 5 of 9 in Best AI writing tools
What is Grammarly?
Short answer
Grammarly is a AI writing tool from Grammarly, best for grammar and tone checking everywhere. It has a free plan (basic checks, 100 AI prompts); paid plans start at $12 / seat / mo.
| Fact | Grammarly | AI writing median (6 tools) |
|---|---|---|
| Free plan | Yes, basic checks, 100 AI prompts | 4 of 9 have one |
| Entry price | $12 / seat / mo | $10.20 / seat / mo |
| Top plan | $12 / seat / mo | $16.15 / seat / mo |
| 1st year, 5 users | $720 | $612 |
| Paid plans | 1 | 1 |
| Platforms | Web | — |
What does Grammarly do?
Grammarly covers these jobs, as listed on Grammarly's pricing and feature pages.
- Spelling and grammar checks
- Tone adjustment
- Full-sentence rewrites
- Plagiarism and AI text detection
- AI prompts per month (100 free, 2,000 Pro)
How much does Grammarly cost?
Free, then $12 / seat / mo to $12 / seat / mo.
| Plan | Price | Billed monthly | Includes |
|---|---|---|---|
| Free | Free | Free | — |
| Pro | $12 / seat / mo | — | — |
| Enterprise | Custom | — | Contact sales |
What are the best Grammarly alternatives?
Closest on first-year cost: Paperpal, QuillBot, Writesonic.
| Alternative | Free plan | From |
|---|---|---|
| Paperpal | Yes | $8.40 / seat / mo |
| QuillBot | Yes | $8.33 / seat / mo |
| Writesonic | No | $79 / mo |
Is Grammarly better than Wordtune?
Grammarly is best for grammar and tone checking everywhere; Wordtune for rewriting and polishing sentences. First year: $720 vs $293.40.
Sources
| Vendor page | URL | Checked |
|---|---|---|
| Grammarly pricing | grammarly.com/plans | 27 Oct 2026 |
Prices in USD as published by each vendor, billed yearly where offered. How we compare