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See how reviewed tools stack up for your needs. Every value comes from a published JAVIS review.
| Feature / criteria |  GrammarlyAI Writing & Productivity |  Notion AIAI Writing & Productivity |
|---|---|---|
| JAVIS Score | 78 / 100 | 76 / 100 |
| Price | $12/mo (yearly) | $20/mo (yearly) |
| Pricing model | Freemium | Paid |
| Free tier | ✓ Yes | ✕ No |
| Open source | ✕ No | ✕ No |
| Our verdict | Still the default writing checker, now a product inside a company called Superhuman. | The best AI is the one that already sits next to your documents. Notion AI is that for teams already living in Notion. |
| Last checked | Oct 5, 2026 | Oct 5, 2026 |
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