Data as of Sep 14, 2026 · Based on 3,293,187 AI responses across 10,525 prompts · See how Parse measures this
LanguageToollanguagetool.orgLanguageTool is an AI-based writing assistant that checks grammar, spelling, and style across many languages and provides improvements, including a paraphrasing tool. It offers browser add-ons and office integrations (Chrome, Edge, Firefox, Safari) and an editor with features like a personal dictionary, statistics, and a Picky Mode for advanced suggestions. It provides Premium and Business plans, an API, and GDPR-compliant solutions for teams, trusted by millions of users and thousands of organizations.
The market map · 5 of 20 labelled
Grammar and Writing Checker Tools →69%positive
Where LanguageTool ranks in AI
multilingualexcellentstrongopen-sourceprivacy-focusedrobustbudget-friendlygood
Excerpts where LanguageTool appeared in the AI's answer
LanguageTool : Best for multilingual editing support (covering 30+ languages) and privacy-conscious professionals.
LanguageTool (Best Value and Multilingual Support) : For editors working across multiple languages or handling high-volume web content on a budget, LanguageTool is an exceptional open-source option.
Excerpts where LanguageTool appeared in the AI's answer
LanguageTool: Best budget-friendly and multilingual long-document checker.
LanguageTool provides: Grammar and spelling checks, Style suggestions, Multilingual support, Good privacy options
