Microsoft 365 Copilot vs Grammarly
A side-by-side comparison to help you choose the right tool.
85
Microsoft 365 Copilot scores higher overall (85/100)
But the best choice depends on your specific needs. Compare below.
| Feature | Microsoft 365 Copilot | Grammarly |
|---|---|---|
| Our score | 85 | 80 |
| Pricing | Starts from about $30/user/month for business offerings, with personal bundles also available in Microsoft 365 consumer plans. | Free plan with basic grammar and spelling checks. Premium at $12/month (annual) or $30/month (monthly) adds tone, clarity, full-sentence rewrites, and plagiarism detection. Business at $15/user/month with style guides, brand tones, and admin controls. |
| Free plan | No | Yes |
| Best for | Organizations already standardized on Microsoft 365, Knowledge workers living in Outlook, Word, PowerPoint, and Teams, IT-led deployments that need enterprise controls | professionals writing emails and business documents, students improving academic writing, content creators and marketers polishing copy, non-native English speakers building confidence, teams enforcing consistent brand voice and style guides |
| Platforms | web, windows, mac, ios, android | web, desktop, mobile, browser-extension |
| API | Yes | No |
| Languages | en | en |
| Pros |
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| Get started | Claim deal |
- Pricing
- Starts from about $30/user/month for business offerings, with personal bundles also available in Microsoft 365 consumer plans.
- Free plan
- No
- Best for
- Organizations already standardized on Microsoft 365, Knowledge workers living in Outlook, Word, PowerPoint, and Teams, IT-led deployments that need enterprise controls
- Platforms
- web, windows, mac, ios, android
- API
- Yes
- Languages
- en
- Pricing
- Free plan with basic grammar and spelling checks. Premium at $12/month (annual) or $30/month (monthly) adds tone, clarity, full-sentence rewrites, and plagiarism detection. Business at $15/user/month with style guides, brand tones, and admin controls.
- Free plan
- Yes
- Best for
- professionals writing emails and business documents, students improving academic writing, content creators and marketers polishing copy, non-native English speakers building confidence, teams enforcing consistent brand voice and style guides
- Platforms
- web, desktop, mobile, browser-extension
- API
- No
- Languages
- en
85Choose Microsoft 365 Copilot if:
- You are Organizations already standardized on Microsoft 365
- You are Knowledge workers living in Outlook, Word, PowerPoint, and Teams
- You are IT-led deployments that need enterprise controls
80Choose Grammarly if:
- You are professionals writing emails and business documents
- You are students improving academic writing
- You are content creators and marketers polishing copy
- You want to start free
FAQ
- What is the difference between Microsoft 365 Copilot and Grammarly?
- Microsoft 365 Copilot is microsoft's work-focused ai assistant embedded across microsoft 365 apps and enterprise workflows. Grammarly is the most widely used ai writing assistant, offering real-time grammar, spelling, tone, and clarity suggestions across virtually any text field via browser extensions, desktop apps, and mobile keyboards. its generative ai features now handle full rewrites and drafting.
- Which is cheaper, Microsoft 365 Copilot or Grammarly?
- Microsoft 365 Copilot: Starts from about $30/user/month for business offerings, with personal bundles also available in Microsoft 365 consumer plans.. Grammarly: Free plan with basic grammar and spelling checks. Premium at $12/month (annual) or $30/month (monthly) adds tone, clarity, full-sentence rewrites, and plagiarism detection. Business at $15/user/month with style guides, brand tones, and admin controls.. Grammarly has a free plan.
- Who is Microsoft 365 Copilot best for?
- Microsoft 365 Copilot is best for Organizations already standardized on Microsoft 365, Knowledge workers living in Outlook, Word, PowerPoint, and Teams, IT-led deployments that need enterprise controls.
- Who is Grammarly best for?
- Grammarly is best for professionals writing emails and business documents, students improving academic writing, content creators and marketers polishing copy, non-native English speakers building confidence, teams enforcing consistent brand voice and style guides.