✍️ AI for Writers

Grammarly vs LanguageTool

A side-by-side comparison of Grammarly and LanguageTool for writers — pricing, features and where each one earns its place.

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GrammarlyLanguageTool
TaglineThe ubiquitous AI assistant for grammar, clarity and tone, everywhere you type.A privacy-friendly, multilingual grammar and style checker for 30+ languages.
Editorial rating★★★★⯨4.5editorial★★★★☆4.2editorial
PricingFree; Pro US$12/mo (annual)Free; Premium from ~US$4.99/mo (annual)
Free tierYesYes
Good forCopywriting, Academic, Blogging & SEO, FictionAcademic, Copywriting, Blogging & SEO
CategoriesGrammar, EditingGrammar, Editing
ModelsProprietary + AIProprietary + AI
Platformsweb, desktop, browser-ext, mobile, word, docs, apiweb, desktop, browser-ext, word, docs, mobile, api

Grammarly

Pros

  • Widest app and platform coverage of any checker
  • Strong tone and clarity feedback
  • Reliable real-time correction

Cons

  • Large monthly-vs-annual price jump
  • Pro AI prompts are capped (2,000/mo)
  • English-focused
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LanguageTool

Pros

  • Best multilingual coverage of the group
  • Privacy-focused and self-hostable
  • Cheapest long-term annual price

Cons

  • Free tier character-limited (2,000)
  • No free trial (money-back only)
  • AI features less polished than Grammarly
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Our verdict

Grammarly edges ahead on our editorial score (4.5 vs 4.2), largely for widest app and platform coverage of any checker. That said, LanguageTool is the better pick if best multilingual coverage of the group matters more to you.

Frequently asked questions

Is Grammarly or LanguageTool better?
In our editorial assessment Grammarly scores 4.5/5 versus LanguageTool's 4.2/5. Grammarly stands out for widest app and platform coverage of any checker, while LanguageTool is worth a look for best multilingual coverage of the group. The right choice depends on your workflow — see the breakdown above.
Do Grammarly or LanguageTool have a free version?
Both Grammarly and LanguageTool offer a free tier. You can start there before committing to a paid plan.

Read the full reviews: Grammarly · LanguageTool · all comparisons