Grammarly
AI writing assistant that checks grammar, style, tone, and clarity across all platforms
Grammarly scores 8/10 overall in our independent testing. It's best for writers, students, professionals. It offers a free plan (Free), with paid plans starting at $30/monthly (Pro).
Pricing & features last verified 20 Sep 2026
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Score Breakdown
Grammarly Pricing
Free
Basic grammar & spelling, 100 AI prompts/month
Pro
2,000 AI prompts/month, full rewrites, plagiarism & AI detection; $12/mo billed annually
Superhuman Business
Email + writing suite, style guides, analytics; $33/member/mo billed annually
Enterprise
Custom pricing; SSO/SAML, SCIM, BYOK, dedicated support
Pros
- +Works everywhere: browser, Word, Google Docs, Outlook
- +Real-time suggestions don't interrupt your writing flow
- +Tone detection helps match the right voice for your audience
- +Plagiarism checker integrated into premium plans
- +Excellent browser extension with wide compatibility
Cons
- −Premium plan is expensive relative to the feature set
- −Not a full AI writing assistant — focused on editing, not generation
- −Free tier is quite limited compared to competitors
- −Can be overly aggressive with suggestions on casual writing
Best For
Frequently asked questions
What is Grammarly?
AI writing assistant that checks grammar, style, tone, and clarity across all platforms. In our testing it scores 8/10 overall.
How much does Grammarly cost?
Grammarly offers a free plan (Free). Paid plans start at $30/monthly (Pro).
Is Grammarly worth it?
Grammarly scores 8/10 overall in our testing, including 7/10 for features and 7/10 for value for money. It is best for writers, students, professionals.
What are the best alternatives to Grammarly?
Jasper (7.5/10) is the top-rated alternative in our catalog, followed by Notion (8.25/10). See the full ranking on our Grammarly alternatives page.
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Alternatives
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