Grammarly vs Notion AI
Compare Grammarly and Notion AI on pricing, free tier, open source, API, self-host, verdict and momentum.
Both are writing tools. Grammarly is freemium (free tier (100 AI prompts/mo); Pro $12/mo (yearly)) with a free tier; Notion AI is paid (limited AI trial on free/Plus; full AI in Business $20/member/mo (yearly)) with none of those flags. The catalog stamp is situational for Grammarly and situational for Notion AI, last verified 2026-08-24 and 2026-08-24 respectively.
Auto-paired from catalog data — the verdicts are hand-set, the pairing is algorithmic.
Grammarly
Writing assistant for grammar, tone and clarity, everywhere you type.
Notion AI
AI assistant embedded in Notion — summarize, draft and search your workspace.
| field | Grammarly | Notion AI |
|---|---|---|
| pricing | freemium · free tier (100 AI prompts/mo); Pro $12/mo (yearly) | paid · limited AI trial on free/Plus; full AI in Business $20/member/mo (yearly) |
| free tier | yes | no |
| open source | no | no |
| api | no | no |
| self-host | no | no |
| verdict | situational | situational |
| momentum | steady | steady |
| last verified | 2026-08-24 | 2026-08-24 |
| key limitation | Suggestions can flatten personal voice into corporate beige. | Only makes sense if you already pay for Notion. |
The call
Pick Grammarly if you need a free tier first.
Pick Notion AI for teams already living in Notion who need workspace-wide AI s…
Grammarly sources
Notion AI sources
Open live compare →Grammarly pageNotion AI pageGrammarly.jsonNotion AI.json