Claude vs Grammarly
Claude is built as a general AI assistant for long documents, extended conversations, nuanced writing and analysis, with file and image uploads and Projects. It is freemium with a free plan and paid plans from $20 a month, available on web, iOS, Android, and via API; it has no free trial. Grammarly is built as a writing assistant that checks grammar, tone, clarity, and offers inline revisions, rewrites, plagiarism and AI-text detection, and team style guides. It is freemium, with a $0 free plan, a Pro trial, and paid plans from $12 per member per month billed annually, on web, Windows, Mac, Android, and iOS, but no API. Claude offers API access and very long context; Grammarly adds detection and team consistency features.
Which to choose
Choose Claude if you need to work through long documents, extended conversations, nuanced writing and analysis, or code in a single session.
Visit claude.aiChoose Grammarly if you are an individual writer, team, organization, or student who wants inline grammar, tone, clarity, rewriting, and detection help across everyday documents.
Visit grammarly.comSide by side
| Detail | Claude | Grammarly |
|---|---|---|
| What it is | Anthropic's AI assistant with a long context window, nuanced reasoning and strong performance on writing and analysis. | An AI writing assistant that checks grammar, tone, and clarity for individuals, teams, and organizations. |
| Pricing | Free tier | Free tier |
| Paid plans from | $20 per month | $12 per month |
| Free plan | Yes | Yes |
| Free trial | No | Yes |
| Platforms | Web, iOS, Android, API | Web, Windows, Mac, Android, iOS |
| API | Yes | No |
| Checked against its site | Not yet | Nov 3, 2026 |
| Features |
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Written by AIToolMaps from the two listings, which come from each tool's official site. Full details: Claude · Grammarly.