LanguageTool

Input—per 1M tokens

Output—per 1M tokens

Context—tokens

WeightsClosed

About

LanguageTool is ranked #6 of 88 in grammar checkers on Inferse, made by LanguageTool (San Francisco, California, United States). It runs on Browser extension, iOS, macOS, Windows.

Compared on grammar checkers

Free plan: Yeslanguagetool.org
Browser extension: Yeslanguagetool.org
Desktop app: Yeslanguagetool.org

Facts

Free plan: Yeshelp.languagetool.org · 22 Sept 2026
Browser extension: Yeshelp.languagetool.org · 22 Sept 2026
Desktop app: Yeshelp.languagetool.org · 22 Sept 2026
Mobile app: Yeshelp.languagetool.org · 22 Sept 2026
Style suggestions: Yeshelp.languagetool.org · 22 Sept 2026
Tone detection: Yeshelp.languagetool.org · 22 Sept 2026
Languages supported: 31help.languagetool.org · 22 Sept 2026
Billing options: Individual Premium is available monthly, quarterly, annually, or every two years.help.languagetool.org · 27 Sept 2026
Free tier limits: The free version covers spelling, simple punctuation, and some style mistakes.languagetool.org · 27 Sept 2026
Premium text limit: Premium supports up to 150,000 characters per text field.languagetool.org · 27 Sept 2026
Refund guarantee: Premium has a 14-day money-back guarantee with cancellation and refund without questions.languagetool.org · 27 Sept 2026
Supported platforms: It works in common browsers and word processors, plus Windows, macOS, and iOS apps.languagetool.org · 27 Sept 2026
Browser privacy: Texts written using the browser add-on are usually not saved.languagetool.org · 27 Sept 2026
Editor storage: Texts in the editor are saved and accessible from all devices.languagetool.org · 27 Sept 2026
GDPR solutions: Business solutions are described as GDPR-conform and support consistent brand voice.languagetool.org · 27 Sept 2026
Office integrations: Integrations include Google Docs, Microsoft Word, Apple Pages, and LibreOffice.languagetool.org · 27 Sept 2026
Email integrations: Email add-ons are available for Gmail, Outlook, Apple Mail, and Thunderbird.languagetool.org · 27 Sept 2026
Team administration: Teams can invite users by email and manage them.languagetool.org · 27 Sept 2026
Team style controls: Teams get shared style guides and dictionaries for consistent wording and terminology.languagetool.org · 27 Sept 2026
Writing features: Features include grammar, spelling, punctuation, casing, style, paraphrasing, and statistics.languagetool.org · 27 Sept 2026
Paraphrasing modes: The paraphraser can make sentences more formal, fluent, simple, or concise.languagetool.org · 27 Sept 2026
Organization trust: The site says more than 2,000 organizations trust its AI-based writing tools.languagetool.org · 27 Sept 2026
Company locations: The footer says LanguageTool is made in Europe and the US.languagetool.org · 27 Sept 2026
Support contact: Customers can reach support, including for business VAT invoice questions.languagetool.org · 27 Sept 2026