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Grammarly vs Notion AI
Grammarly scores higher overall (8.6 vs 7.6), but the right pick depends on what you need.
Choose Grammarly if…
Anyone who wants polished, correct writing in every app without copying text into a separate tool
8.6/10★★★★★Full review →Side by side
| Grammarly | Notion AI | |
|---|---|---|
| Overall score | 8.6/10 | 7.6/10 |
| Rank in category | #1 of 10 | #5 of 10 |
| Price | Freemium · from $12/month | Free trial · from $20/member/month |
| Free version | Basic spelling, grammar and tone checks plus 100 AI prompts a month | Limited AI trial on Free and Plus plans |
| Platforms | Web, iOS, Android, Desktop app, Chrome extension, Microsoft Word, Google Docs | Web, iOS, Android, Desktop app |
| Made by | Superhuman (formerly Grammarly, Inc.) | Notion Labs |
| Writing quality | 8.5 | 7.5 |
| Ease of use | 9 | 8.5 |
| Features | 8.5 | 7.5 |
| Value for money | 7.5 | 6 |
| Platforms | 10 | 9 |
Grammarly: what the AI does
- Real-time grammar, clarity and tone suggestions
- Full-sentence and paragraph rewrites
- Generative AI prompts for drafting and replies
- Plagiarism and AI-text detection
- Agents such as Citation Finder, AI Grader and Reader Reactions
- Superhuman Go assistant in the browser extension
- Works almost everywhere you type: browser, desktop, mobile keyboard, Word and Docs
- The most dependable grammar and clarity checks for English
- Free plan is genuinely useful
- Pro bundles plagiarism and AI-text detection
- Monthly billing ($30) is expensive compared with the annual price
- Its AI drafting is weaker than dedicated chatbots for long-form writing
- The extension reads everything you type, which raises privacy questions for some
Notion AI: what the AI does
- Draft and edit pages in place
- Grammar, tone and translation fixes
- Summaries and action items
- Answers and drafts grounded in your workspace
- Research mode for detailed reports
- Choice of AI models
- Writes with context from your own pages and databases
- No copy-pasting between tools
- Strong mobile and desktop apps
- Choice of underlying models
- Full AI requires the Business plan, which is costly for solo writers
- Weaker for long-form writing than dedicated tools
- No grammar checking outside Notion