Claude vs Grammarly
What each one’s own pages state, side by side. Every value is a quote AirStack found on that product’s pages; “Not observed” means AirStack has not found it on that product’s pages.
| Claude | Grammarly | |
|---|---|---|
| What it says it does | Claude | The AI assistant for work claude.com | Grammarly: Free AI Writing Assistance Product grammarly.com |
| Starting at | $17 Pro / month free plan listed | free plan listed |
| Platforms | macOS, Desktop, mobile, web, Android, iOS, Windows claude.com | Grammarly for Mac, Grammarly for Windows, Grammarly for Android, Grammarly for iPad, Grammarly for iPhone grammarly.com |
| Integrations | Google Calendar, Slack, Claude in Chrome, Microsoft 365, Claude for Google Workspace, Claude for Microsoft 365, Amazon Bedrock, Asana, Atlassian MCP, Google Drive, Linear, Notion claude.com | Grammarly for Google Docs, Grammarly for MS Office grammarly.com |
| Compliance | HIPAA claude.com | SOC 2 grammarly.com |
| Free plan | Yes claude.com | Yes grammarly.com |
| Plans | Enterprise, Max, Pro, Team, Ultra, Free claude.com | Free, Pro, Enterprise, Grammarly Enterprise, Grammarly Pro, Grammarly for Education, Grammarly for Teams & Businesses grammarly.com |
| Models supported | Haiku, Mythos (including Fable), Opus, Sonnet claude.com | Not observed |
| Pricing basis | Not observed | We make money from user subscriptions. grammarly.com |
| Customers (their claim) | Not observed | Trusted by 50,000 organizations and 40 million people grammarly.com |
Where they differ
- Claude claims HIPAA on its own pages; Grammarly’s pages read by AirStack do not mention it.
- Grammarly claims SOC 2 on its own pages; Claude’s pages read by AirStack do not mention it.
Prices are list prices as written on each pricing page; check them before you buy. Nothing here is a ranking or a recommendation.