Is LanguageTool better than Antidote?

LanguageTool ranks higher in our list of grammar and proofreading tools (#2 against #6, score 91.0 against 85.5). Antidote is best for: French and English writers who want a deep corrector. LanguageTool is best for: open-source checking in many languages.

Which is cheaper, Antidote or LanguageTool?

Antidote: Yearly subscription per user; one-language or both-language plans. LanguageTool: Free grammar checking; Premium adds unlimited paraphrasing and more features.

Do Antidote and LanguageTool run on the same platforms?

Antidote supports Windows, macOS, Web, iOS, iPadOS. LanguageTool supports Web, Windows, macOS, Browser extension.

Comparison · Grammar and proofreading tools

Antidote vs LanguageTool: which is better in 2026?

Antidote85.5#6 in best grammar and proofreading tools

LanguageTool91.0#2 in best grammar and proofreading tools

LanguageTool ranks higher in our list of grammar and proofreading tools (#2 against #6, score 91.0 against 85.5).

How we rank Share

85.5
Editorial score
91.0
5
Platforms
4
No
Free to use
Yes
No
Open source
Yes

Which should you choose?

Choose Antidote if you want

French and English writers who want a deep corrector.

The strongest suite here for French and English, with detailed guides and dictionaries. It is a yearly subscription per user and runs as a desktop or web app, so it is heavier than browser tools.

Choose LanguageTool if you want

Open-source checking in many languages.

Open-source core under LGPL-2.1, with browser add-ons, Office plugins and many languages. Free checking is solid, but paraphrasing is limited on the free tier.

The main differences

Only Antidote runs on iOS.
LanguageTool is open source; Antidote is not.
LanguageTool can be used for free; Antidote requires payment.

Side by side

	Antidote	LanguageTool
Score	85.5	91.0
Rank in list	#6 of 10	#2 of 10
Price	SubscriptionYearly subscription per user; one-language or both-language plans	Free plan, paid upgradesFree grammar checking; Premium adds unlimited paraphrasing and more features
Free to use	No	Yes
Open source	No	Yes
Platforms	WindowsmacOSWebiOS, iPadOSWindows, macOS, Web, iOS, iPadOS	WebWindowsmacOSBrowser extensionWeb, Windows, macOS, Browser extension
Made by	Not stated	Not stated
Where checks run	Windows and Mac apps, plus web	Browser add-ons, desktop apps and Office plugins
Rewrites and paraphrasing	Suggestions for reworking sentences	Paraphrasing, limited on the free plan
Style guidance	Style suggestions and language guides	Style checking in many languages
Best for	French and English writers who want a deep corrector	Open-source checking in many languages
Strengths	Corrects French and English in one suite Desktop, web and iPhone or iPad apps Large dictionaries and detailed language guides	Core source code on GitHub under LGPL 2.1 Browser add-ons and Office plugins Covers dozens of languages
Limits	Sold only as a yearly subscription per user Mobile app is limited to iPhone and iPad	Paraphrasing is limited in the free version Less focused on generating new text than AI-first tools
Links	Visit site	Visit site

Questions about Antidote vs LanguageTool

Is LanguageTool better than Antidote?: LanguageTool ranks higher in our list of grammar and proofreading tools (#2 against #6, score 91.0 against 85.5). Antidote is best for: French and English writers who want a deep corrector. LanguageTool is best for: open-source checking in many languages.
Which is cheaper, Antidote or LanguageTool?: Antidote: Yearly subscription per user; one-language or both-language plans. LanguageTool: Free grammar checking; Premium adds unlimited paraphrasing and more features.
Do Antidote and LanguageTool run on the same platforms?: Antidote supports Windows, macOS, Web, iOS, iPadOS. LanguageTool supports Web, Windows, macOS, Browser extension.