Grammarly

★ 4.3/5Free tier

AI writing assistant for grammar, clarity, and tone

Free + from $30/mo · Verified 2026-06-08

What is Grammarly?

Grammarly is a writing assistant that checks grammar, spelling, clarity, and tone across apps and browsers, with generative AI features on its paid Pro tier. It is positioned as an editing and improvement layer rather than a from-scratch content generator.

Pricing

Free plan for core grammar and spelling. Pro from $12/mo (annual) or $30/mo monthly; Enterprise custom. As of June 2026.

Pricing changes often — verified 2026-06-08. Always confirm the current plans on Grammarly's site.

Pros

✓Strong, permanent free tier for the basics
✓Works everywhere via browser and app integrations
✓Best-in-class real-time grammar and clarity
✓Generative AI prompts included on Pro

Cons

–Monthly billing is expensive relative to annual
–Less suited to generating long-form content from scratch
–Pro AI prompts are capped (2,000/member)

Key features

Real-time grammar and spelling correction
Clarity, tone, and conciseness suggestions
Generative AI writing prompts (Pro)
Cross-app and browser integration
Tone detection
Plagiarism checks on Pro

Best for

Grammar, spelling, and clarity checksImproving tone and concisenessEditing across browsers and appsProfessionals and students polishing writingGenerative rewrites and AI prompts (Pro)

What models does Grammarly use?

Grammarly runs on GPT-class models. Building on the API directly instead? Compare raw LLM pricing to see what those models cost per token.

Grammarly alternatives

Jasper★ 4.0

Marketing-focused AI content and agent platform for teams

Sudowrite★ 4.0

AI writing tool built for fiction and novelists

Notion AI★ 3.9

AI writing and search built into the Notion workspace

Anyword★ 3.9

AI copywriting with data-driven performance prediction

See the full AI Writing ranking →

FAQ

How much does Grammarly cost?

Free plan for core grammar and spelling. Pro from $12/mo (annual) or $30/mo monthly; Enterprise custom. As of June 2026.. Grammarly has a free tier you can start with. Pricing was verified 2026-06-08; check Grammarly's site for current plans.

Is Grammarly worth it?

Grammarly is best for Grammar, spelling, and clarity checks, Improving tone and conciseness, Editing across browsers and apps. Its main strengths are strong, permanent free tier for the basics and works everywhere via browser and app integrations. The main trade-offs are monthly billing is expensive relative to annual and less suited to generating long-form content from scratch.

Does Grammarly have a free trial or free plan?

Yes — Grammarly offers a free plan or trial so you can test it before paying.

What are the best Grammarly alternatives?

Strong ai writing alternatives to Grammarly include Jasper, Sudowrite, Notion AI, Anyword. Compare them on our AI Writing roundup.