Claude vs Grammarly: comparison (2026)
Side-by-side comparison of Claude and Grammarly across 10 verified specs. Only populated fields are shown — empty cells are omitted.
ClaudeAnthropic's AI assistant, rated strongest for coding and instruction-following
54/100
Visit Claude
GrammarlyGrammar, style, and AI writing assistance across your browser and apps
64/100
Visit GrammarlyFeature comparison
| Feature | Claude | Grammarly |
|---|---|---|
| Pricing | Freemium | Freemium |
| Price from | $17/mo | — |
| Free tier | Yes | Yes |
| API | Yes | No |
| Open source | No | No |
| Platforms | Web, Desktop, Mobile, API | Browser Extension |
| Models | Opus, Sonnet, Haiku | Grammarly |
| Context window | 200K tokens | — |
| Launched | 2023 | 2009 |
| Integrations | Chrome, Slack, Microsoft 365, Outlook, Google Workspace | — |