DeepL WritevsLanguageTool
Two writing assistant tools, the same questions. Every answer comes from the official pages, with the date we checked. Nothing here is ranked.
last check 2026-10-11
DeepL Write
by DeepL SE
Corrects grammar, spelling and punctuation and suggests rephrasings, writing styles and tones for text in eleven languages.
All DeepL Write factsLanguageTool
by LanguageTooler GmbH
Grammar, spelling and style checker for over 30 languages, with an AI paraphraser, in a web editor, desktop and iOS apps, and add-ons.
All LanguageTool factsWhere they differ
- Free plan limitsDeepL Write: Without an account, texts of up to 1,500 characters at a time.LanguageTool: 2,000 characters per text field, 3 AI sentence rephrasings a day, Picky Mode limited.
- Used to train AIDeepL Write: Free version: texts and corrections are kept for a limited time and used to train DeepL's models., Write Pro: texts are not used to improve the service.LanguageTool: Not used: inputs from Individual and Team Plan users are not used to train models; no opt-out needed.
- LanguagesDeepL Write: Chinese, English (UK and US), French, German, Italian, Japanese, Korean, Portuguese, Portuguese (Brazil) and Spanish.LanguageTool: Over 30 languages and variants, including English, German, Portuguese, Spanish, French and Dutch.
- Works inDeepL Write: Browser extension, Google Docs, Google Slides, Gmail, Microsoft WordLanguageTool: Browser extension, Microsoft Word, LibreOffice, Google Docs, Gmail, Apple Mail, Thunderbird
Same answer for both: free plan, platforms, grammar and spelling, rewrite and change tone.
Plans and prices
As listed on each official pricing page, in the currency we were shown. No conversion, no rounding.
DeepL Write
- Free Free plan$0.00 / month
- Write Pro add-on Paid, individualPrice not confirmed
- Enterprise EnterprisePrice not confirmed
LanguageTool
- Free Free plan$0.00 / month
- Premium Paid, individualPrice not confirmed
- Team TeamPrice not confirmed
Full comparison with sources
| Writing assistant | ||
| What it is for | ||
| What it is for | Corrects grammar, spelling and punctuation and suggests rephrasings, writing styles and tones for text in eleven languages. | Grammar, spelling and style checker for over 30 languages, with an AI paraphraser, in a web editor, desktop and iOS apps, and add-ons. |
| Good for | ||
| Editor's suggestion | No editor suggestion yet | No editor suggestion yet |
| Cost | ||
| Free planA free plan that is not time-limited. Trials are listed separately. |
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| Plans and pricesOriginal currency and billing period. No conversion. |
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| Input and output | ||
| LanguagesLanguages it transcribes or speaks, as stated. |
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| Grammar and spellingMarks grammar, spelling and punctuation mistakes and suggests fixes. |
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| Rewrite and change toneRewrites a sentence or paragraph, for example shorter, more formal or friendlier. |
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| Workflow | ||
| PlatformsWhere the product is offered: web, desktop app, mobile app, or editor extension. |
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| Works inApps and places it works in, such as a browser extension, Word or Google Docs, as officially listed. |
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| Not yet confirmed | ||
| Writes new textDrafts new text from a short instruction, not only fixes what you wrote. |
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| Plagiarism checkCompares your text with published sources and shows matches. |
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| Sources and confidence | ||
| Confidence | Last checked 2026-10-11 Not yet confirmed: Writes new text, Plagiarism check | Last checked 2026-10-11 Not yet confirmed: Writes new text, Plagiarism check |
What it is for
What it is for
DeepL Write:
Corrects grammar, spelling and punctuation and suggests rephrasings, writing styles and tones for text in eleven languages.
LanguageTool:
Grammar, spelling and style checker for over 30 languages, with an AI paraphraser, in a web editor, desktop and iOS apps, and add-ons.
Editor's suggestion
DeepL Write:
No editor suggestion yetLanguageTool:
No editor suggestion yetCost
Free plan
A free plan that is not time-limited. Trials are listed separately.
DeepL Write:
- Supportedsupport.deepl.comchecked 2026-10-11
Free plan
LanguageTool:
- Supportedhelp.languagetool.orgchecked 2026-10-11
Free plan
Plans and prices
DeepL Write:
- Free (Free plan)$0.00 / month
- Write Pro add-on (Paid, individual)Price not confirmed
- Enterprise (Enterprise)Price not confirmed
- All plan details and sources
LanguageTool:
- Free (Free plan)$0.00 / month
- Premium (Paid, individual)Price not confirmed
- Team (Team)Price not confirmed
- All plan details and sources
Input and output
Languages
Languages it transcribes or speaks, as stated.
DeepL Write:
- Chinese, English (UK and US), French, German, Italian, Japanese, Korean, Portuguese, Portuguese (Brazil) and Spanish.support.deepl.comchecked 2026-10-11
LanguageTool:
- Over 30 languages and variants, including English, German, Portuguese, Spanish, French and Dutch.languagetool.orgchecked 2026-10-11
Grammar and spelling
Marks grammar, spelling and punctuation mistakes and suggests fixes.
DeepL Write:
- Supportedsupport.deepl.comchecked 2026-10-11
Plan not specified
LanguageTool:
- Supportedlanguagetool.orgchecked 2026-10-11
Plan not specified
Rewrite and change tone
Rewrites a sentence or paragraph, for example shorter, more formal or friendlier.
DeepL Write:
- Supportedsupport.deepl.comchecked 2026-10-11
Plan not specified
LanguageTool:
- Supportedlanguagetool.orgchecked 2026-10-11
Plan not specified
Workflow
Platforms
Where the product is offered: web, desktop app, mobile app, or editor extension.
DeepL Write:
- Web, Desktop app, Mobile appsupport.deepl.comchecked 2026-10-11
LanguageTool:
- Web, Desktop app, Mobile apphelp.languagetool.org +1checked 2026-10-11
Works in
Apps and places it works in, such as a browser extension, Word or Google Docs, as officially listed.
DeepL Write:
- Browser extension, Google Docs, Google Slides, Gmail, Microsoft Wordsupport.deepl.comchecked 2026-10-11
LanguageTool:
- Browser extension, Microsoft Word, LibreOffice, Google Docs, Gmail, Apple Mail, Thunderbirdhelp.languagetool.org +1checked 2026-10-11
Plans: Premium, Team
Not yet confirmed
Writes new text
Drafts new text from a short instruction, not only fixes what you wrote.
DeepL Write:
- Not yet confirmed
LanguageTool:
- Not yet confirmed
Plagiarism check
Compares your text with published sources and shows matches.
DeepL Write:
- Not yet confirmed
LanguageTool:
- Not yet confirmed
Sources and confidence
Confidence
DeepL Write:
Last checked 2026-10-11
Not yet confirmed: Writes new text, Plagiarism check
LanguageTool:
Last checked 2026-10-11
Not yet confirmed: Writes new text, Plagiarism check