In short
How they differ.
Worked out from the makers' own pages, read Oct 20, 2026. Prices change; check before you pay.
- Only Grammarly has a free plan.
- Gemini in Google Docs's cheapest paid plan is cheaper: $7 a month against $12.
- Gemini in Google Docs also has a web.
Side by side
The details.
| Gemini in Google Docs | Grammarly | |
|---|---|---|
| Made by | Google · United States | Superhuman Platform Inc. (formerly Grammarly) · United States |
| What it says it is | “tackle the blank page or polish draft documents with AI.” | “Write without spelling and grammar mistakes.” |
| Free plan | NoNot on Workspace Business Starter; included from Business Standard up. | Yes100 AI prompts per month. |
| Plans | Business Starter: $7 a monthBusiness Standard: $14 a monthBusiness Plus: $22 a month | Free: freePro: $12 a monthEnterprise: not in US$ |
| Runs on | web | Not stated |
| Latest update | — | Grammarly Authorship Is Now Available in Blackboard, Aug 13, 2026 |
| Its terms | — | “We also use information we collect to train our AI models.”What it does with your data · Superhuman Privacy Policy |
| Disputes | None on file | None on file |
| Sources | Prices, Oct 20, 2026 · Description · company-reported | Prices, Oct 20, 2026 · Description · company-reported |
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