LanguageTool vs Lex
LanguageTool: A multilingual grammar, spelling and style checker that works in your browser and apps. Lex: A clean online word processor with an AI writing partner built in. Here is how they compare on features, pricing, platforms, pros and cons.
Quick verdict
LanguageTool
Best for: People who write in more than one language.
Stands out for: Wide language coverage; Useful free version.
Lex
Best for: Writers who want a simple editor with optional AI help.
Stands out for: Clean, focused design; AI stays out of the way until asked.
Side-by-side comparison
| Visit languagetool.org (opens in a new tab) | Visit lex.page (opens in a new tab) | |
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| What it is | A multilingual grammar, spelling and style checker that works in your browser and apps. | A clean online word processor with an AI writing partner built in. |
| Pricing | Free + Paid | Free + Paid |
| Free to use | Yes | Yes |
| Category | AI Writing | AI Writing |
| Editor rank | #6 in category | #19 in category |
| Made by | LanguageTooler GmbH | Every |
| Best for | People who write in more than one language. | Writers who want a simple editor with optional AI help. |
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LanguageTool vs Lex: questions
Is LanguageTool better than Lex?
Neither wins for everyone. Our editors rank LanguageTool slightly higher overall in AI Writing, but Lex can be the better fit: Writers who want a simple editor with optional AI help.
Which is free, LanguageTool or Lex?
Both can be used without paying: LanguageTool is free + paid and Lex is free + paid. Paid plans add more usage or features.
Can I use LanguageTool and Lex together?
Yes. Many people keep both and pick per task, for example check an email written in German or French with LanguageTool, and get feedback on an essay draft with Lex.