Grammarly
- Free · freeMonth
- Pro · price varies by region; in Germany 12 € per month billed annually, 30 € billed monthlyMonth, depending on region
- Enterprise · contact salesCustom
Grammarly vs LanguageTool
Side-by-side published prices, limits and sources. Not a quality ranking. The vendor page remains authoritative.
When to pick which
Grammarly: Grammarly helps with writing: grammar and spelling fixes, tone and clarity suggestions, and generative rewrites. It runs in the browser, on desktop, and in Office workflows. Entry: Free plan; first paid plan: Pro. LanguageTool: LanguageTool is a grammar and spell checker available as a browser add-on, desktop app, and API. The free plan checks up to 2,000 characters per text field; Premium raises this limit to 150,000 characters and unlocks unlimited AI rewriting. Entry: Free plan; first paid plan: Premium Monthly. The deciding factors are the actual workflow and the published plan and usage terms.
Differences at a glance
- Free access: Grammarly as Free plan; LanguageTool as Free plan.
- Paid entry in the catalog: Grammarly Pro; LanguageTool Premium Monthly. Amounts are in the table and follow the price region.
- Grammarly: Check spelling, grammar, and punctuation
- Grammarly: Adjust tone and clarity of writing
- LanguageTool: Grammar and spell check up to 2,000 characters on the free plan
- LanguageTool: Premium: up to 150,000 characters per text field
| Criterion | Grammarly | LanguageTool |
|---|---|---|
| Free access | Free plan | Free plan |
| Paid from | Pro · price varies by region; in Germany 12 € per month billed annually, 30 € billed monthlyMonth, depending on region | Premium Monthly · Not verified for this marketMonth |
Published plans by vendor
Each vendor separately. The same row does not mean the same plan. Prices follow the selected price region.
LanguageTool
- Free · free
- Premium Monthly · Not verified for this marketMonth
- Premium Yearly · Not verified for this marketyear
- Teams (2 seats) · Not verified for this marketyear · Annual total for 2 seats in the configurator; larger teams have different prices, VAT included
- Premium (quarterly) · Not verified for this marketquarter
- Premium (2 years) · Not verified for this market2 years
Grammarly
Grammarly helps with writing: grammar and spelling fixes, tone and clarity suggestions, and generative rewrites. It runs in the browser, on desktop, and in Office workflows.
Free covers basic corrections. Pro and Business expand AI features and team controls. Limits are in the pricing table.
LanguageTool
LanguageTool is a grammar and spell checker available as a browser add-on, desktop app, and API. The free plan checks up to 2,000 characters per text field; Premium raises this limit to 150,000 characters and unlocks unlimited AI rewriting.
The browser extension does not run purely locally: its default configuration sends text to a server for checking. Review the settings and privacy information before entering confidential content. Teams can define shared writing rules through a style guide.
Official sources
Grammarly
- Grammarly (grammarly.com)
LanguageTool
- LanguageTool (languagetool.org)
FAQ
Can Grammarly and LanguageTool be tried for free?
Grammarly: Free plan. LanguageTool: Free plan.
Where are the vendors of Grammarly and LanguageTool based?
Grammarly: Superhuman Platform Inc. (vormals Grammarly Inc.), USA. LanguageTool: LanguageTooler GmbH (Potsdam/Berlin), seit 2023 Teil von Learneo, Inc. (USA), Germany.
Are Grammarly and LanguageTool listed in the same category?
Grammarly is listed under the “Content & SEO” category, LanguageTool under “Content & SEO.”
How many pricing tiers do Grammarly and LanguageTool offer?
Grammarly documents 3 plans, LanguageTool documents 6 plans, each with price, billing period, and included features.
Where do the price and product details for Grammarly and LanguageTool come from?
For Grammarly and LanguageTool, prices, limits, and product details are each based on the current official vendor page. Missing values stay marked as not published rather than being estimated.