Grammarly
Grammarly is the grammar and rewriting assistant: a real Free plan at $0 and Pro at $12/month, with tone, full-sentence rewrites and team/enterprise tiers.
Verified against: grammarly.com as of 2026-10-27
- Our rating: 4.3/5
- Strongest dimension: Usability (5/5, research only)
- Weakest dimension: Functionality (4/5, research only)
- Pricing: Free plan · $12/mo (Pro)
- Verification: Research-only pass over official sources, last checked 2026-10-27. Sources: grammarly.com
Grammarly pricing details
| Item | Detail |
|---|---|
| Free plan | Yes |
| Paid plans from | $12/mo (Pro) |
| Billed monthly | Free $0 · Pro $12/mo |
| Billed annually | Pro annual billing available on official site (price listed monthly) |
| Billing notes | Official grammarly.com/pricing (verified 2026-10-27): Free $0 USD/month, Pro $12 USD/month with 7-day free trial; Enterprise on request. |
| Last verified | 2026-10-27 |
How Grammarly scores across our 6 index dimensions
- Functionality: 4/5 (research only)
- Usability: 5/5 (research only)
- Stability: 4/5 (research only)
- Collaboration: 4/5 (research only)
- Localization: 4/5 (research only)
- Value: 4/5 (research only)
Score rationale: The correction layer for everyday writing: strongest grammar/tone coverage with a genuinely usable free tier. Research sweep of the official pricing page.
How Grammarly compares to other AI Writing tools
Our index tracks 11 ai writing tools. Grammarly sits at 4.3/5, with pro annual billing available on official site (price listed monthly). Here are the 6 closest alternatives we hold pricing and scoring evidence for.
- ChatGPT — 4.6/5 · Free plan · $20/mo (Plus)
ChatGPT is the default AI writing assistant: free tier plus Go $8, Plus $20 and Pro from $100 per month, with drafting, rewriting, analysis and brainstorming in one app. - Claude — 4.6/5 · Free plan · $17/mo annual (Pro)
Claude is Anthropic's writing assistant for long-form work: Free at $0, Pro $20/mo monthly ($17 annual), Max from $100/mo, with strong natural prose and large-context analysis. - Gemini — 4.4/5 · Free plan · $20/mo (AI Pro)
Google Gemini is the assistant built into Google's ecosystem: free access plus Google AI Pro at $20/month with 5 TB storage and 4x Gemini usage. - Rytr — 4.1/5 · Free plan · $7.50/mo
Rytr is a budget-friendly AI writing tool for individuals and small teams producing short copy fast. - Sudowrite — 4.1/5 · No free plan · $10/mo (Hobby & Student)
Sudowrite is the fiction-focused AI writing suite: Hobby & Student from $10/month, Professional $22/month, Max $44/month, with unused credits rolling over 12 months. - Jasper — 4.0/5 · 7-day free trial · $59/mo
Jasper is an AI writing platform for marketing teams, with brand voice, long-form copy and multilingual templates.
Frequently asked questions about Grammarly
How much does Grammarly cost?
Free plan available; paid plans from $12/mo (Pro); free $0 · Pro $12/mo; pro annual billing available on official site (price listed monthly). Billing detail: Official grammarly.com/pricing (verified 2026-10-27): Free $0 USD/month, Pro $12 USD/month with 7-day free trial; Enterprise on request. Figures verified 2026-10-27.
Does Grammarly have a free plan?
Yes. Grammarly has a free tier; paid plans start at $12/mo (Pro).
How was Grammarly verified?
Research-only pass over official sources, last checked 2026-10-27. Sources: grammarly.com.
What are the alternatives to Grammarly?
We track ChatGPT, Claude, Gemini, Rytr as the closest alternatives in our AI Writing index.