Grammarly
ActiveGrammarly · founded 2009
Grammar, clarity, and tone editing everywhere you type.
Grammarly is the standard editing assistant for grammar, clarity, and tone, working across browsers, email, and documents. Its AI features assist with rewriting and tone, but it is not a long-form generator — it is best paired with another writing or assistant tool.
At a glance
- Category
- AI Writing Tools
- Primary use case
- Grammar and clarity editing
- Entry price
- $12/mo
- Free plan
- Free tier (core grammar)
- API
- No
- Open source
- No
- Evidence level
- Research / specifications only
- Last checked
- 20 Aug 2026
Pricing
Last checked 20 Aug 2026
| Free plan | Free tier (core grammar) |
|---|---|
| Trial | None |
| Entry price | $12/mo |
| Pro price | $12/mo |
| Usage limits | Premium unlocks advanced checks |
Free + Premium ~$12/mo (annual). Verify pricing.
What it does
Secondary use cases
- Tone adjustment
- Rewriting
- Plagiarism check (premium)
Input types
Text
Output types
Text
Models used
In-house models
Platforms
✓ Web ✓ Windows ✓ macOS — Linux ✓ iOS ✓ Android ✓ Browser extension — API — CLI — VS Code — Self-hosted
Integrations
ChromeWordGmailDocsSlack
Privacy & commercial rights
Data retention
Per policy
Trains on your data
No (per stated policy)
Enterprise privacy
Enterprise options
Self-hosting / local
Not available
SSO
Available
Compliance
Not disclosed
Commercial use
Permitted — Commercial use permitted
Pros & cons
Pros
- Ubiquitous editing
- Free tier is useful
- Works everywhere
Cons / trade-offs
- Not a content generator
- Premium needed for advanced checks
Alternatives to Grammarly
Considering a switch, or comparing before you buy? See the full alternatives guide.