Is LanguageTool better than DeepL Write?

LanguageTool ranks higher in our list of AI writing assistants (#2 against #4, score 87.5 against 83.5). DeepL Write is best for: multilingual writing with translation in one tool. LanguageTool is best for: multilingual proofreading with an open-source core.

Which is cheaper, DeepL Write or LanguageTool?

DeepL Write: Free to try; Write Pro add-on is EUR 6.99 per user a month, billed annually. LanguageTool: Free grammar checking; Premium adds unlimited paraphrasing and more features.

Do DeepL Write and LanguageTool run on the same platforms?

DeepL Write supports Web, iOS, Android. LanguageTool supports Web, Windows, macOS, Browser extension.

DeepL Write vs LanguageTool: Which Is Better? (2026)

83.5
Editorial score
87.5
3
Platforms
4
Yes
Free to use
Yes
No
Open source
Yes

Which should you choose?

Choose DeepL Write if you want

Multilingual writing with translation in one tool.

Writing corrections and style options built into the DeepL translation tool, with a free version and a per-user Write Pro add-on. It suits people who translate and write in several languages.

Choose LanguageTool if you want

Multilingual proofreading with an open-source core.

Checks grammar and style across dozens of languages, with add-ons for browsers, Gmail, Outlook and Office. Its core is open source under LGPL 2.1, but paraphrasing is limited without Premium.

The main differences

Only LanguageTool runs on Windows.
Only LanguageTool runs on macOS.
Only DeepL Write runs on iOS.
Only DeepL Write runs on Android.
LanguageTool is open source; DeepL Write is not.

Side by side

	DeepL Write	LanguageTool
Score	83.5	87.5
Rank in list	#4 of 10	#2 of 10
Price	Free plan, paid upgradesFree to try; Write Pro add-on is EUR 6.99 per user a month, billed annually	Free plan, paid upgradesFree grammar checking; Premium adds unlimited paraphrasing and more features
Free to use	Yes	Yes
Open source	No	Yes
Platforms	WebiOSAndroidWeb, iOS, Android	WebWindowsmacOSBrowser extensionWeb, Windows, macOS, Browser extension
Made by	DeepL	Not stated
Main focus	Corrections and style in several languages	Grammar and style checking
AI writing features	Yes, rewrites with style options	AI-based checks and paraphrasing
Story and plot tools	Not listed	Not listed
Team plans	Write Pro add-on per user	LT for Business
Best for	Multilingual writing with translation in one tool	Multilingual proofreading with an open-source core
Strengths	Built into the DeepL translation tool Corrections only or fuller style edits Write Pro adapts text to an audience	Core source code on GitHub under LGPL 2.1 Browser add-ons and Office plugins Covers dozens of languages
Limits	Write Pro is an add-on priced per user	Paraphrasing is limited in the free version Less focused on generating new text than AI-first tools
Links	Visit site	Visit site

Questions about DeepL Write vs LanguageTool

Is LanguageTool better than DeepL Write?: LanguageTool ranks higher in our list of AI writing assistants (#2 against #4, score 87.5 against 83.5). DeepL Write is best for: multilingual writing with translation in one tool. LanguageTool is best for: multilingual proofreading with an open-source core.
Which is cheaper, DeepL Write or LanguageTool?: DeepL Write: Free to try; Write Pro add-on is EUR 6.99 per user a month, billed annually. LanguageTool: Free grammar checking; Premium adds unlimited paraphrasing and more features.
Do DeepL Write and LanguageTool run on the same platforms?: DeepL Write supports Web, iOS, Android. LanguageTool supports Web, Windows, macOS, Browser extension.