LanguageTool
Strong across more than 30 languages rather than English alone, and it can be self-hosted, which almost nothing else in this category offers.
What LanguageTool is best for
The categories LanguageTool is listed in, and how strong a fit it is in each.
Writing, Communication & Language
Emails, reports, essays, editing, summarizing, translation, presentations.
Built for this
LanguageTool’s biggest strengths
Writing, Communication & LanguageStrong across more than 30 languages rather than English alone, and it can be self-hosted, which almost nothing else in this category offers.
Where it may not be the best fit
Writing, Communication & LanguageOwned by the same company as QuillBot since 2023. Month to month costs more than four times the annual rate, and there are four payment intervals to pick between, so the interval matters more than the tier. Prices are quoted inclusive of VAT.
LanguageTool pricing
LanguageTool has a free plan. Free tier covering basic grammar and spelling
FreeFree tier covering basic grammar and spelling
$0PremiumEnhanced grammar, punctuation and style checking, up to 150,000 characters a text field, unlimited AI sentence paraphrasing, a style guide and the browser add-on
$24.90/mo · $16.63/mo quarterly · $5.83/mo yearlyTeamsEverything in Premium plus user management, a team style guide and a team dictionary. Every price on the page includes VAT
$11.07/moChecked by hand on 4 September 2026. Prices change often, so confirm on the provider’s own page before spending.
Who makes LanguageTool
Formerly Course Hero. Owns QuillBot, bought in 2021, and LanguageTool, bought in 2023, so two products on this site come from the same company.
CompanyLearneo
Founded2006
Based inRedwood City, US
SectorWriting & language
ModelThird-party
StatusPrivate
Primary usersStudents, Writers
Free planYes
ComputeThird-party
Public listingNone announced
Also from Learneo: QuillBot.
Best alternatives to LanguageTool
Tools that do comparable work, best fit first, drawn from the catalogue rather than hand-picked. Every one is listed whether or not there is money in it for us.
ChatGPT
Free
Fastest for everyday drafting — emails, summaries, outlines — with the widest format support.
View ChatGPT →Claude
Free
Strongest at long-form drafting and holding a consistent voice across a whole document rather than a paragraph.
View Claude →DeepL Write
Free
The same quality that made its translation worth paying for, applied to rewriting. Notably better than the field on European languages.
View DeepL Write →Gamma
Free
Turns a prompt or a pile of notes into a finished deck or document. The fastest route from rough thinking to something presentable.
View Gamma →Grammarly
Free
Works inside the apps you already write in rather than a separate window, which is why it actually gets used. Grammar, tone and clarity in place.
View Grammarly →Hemingway Editor
Free
Marks the sentences that are hard to read and the adverbs you did not need, and does nothing else. The free web version has no sign-up.
View Hemingway Editor →LanguageTool by job
Where LanguageTool sits in the wider category pages.
Best AI for Writing
Built for this — Emails, reports, essays, editing, summarizing, translation, presentations.
Questions about LanguageTool
Is LanguageTool free?
Yes — Free tier covering basic grammar and spelling. The cheapest paid tier is Premium, at $24.90/mo month to month or $5.83/mo billed yearly.
What is LanguageTool best at?
Strong across more than 30 languages rather than English alone, and it can be self-hosted, which almost nothing else in this category offers. It is listed under Writing, Communication & Language, and this is what it is built for.
What should I watch out for with LanguageTool?
Owned by the same company as QuillBot since 2023. Month to month costs more than four times the annual rate, and there are four payment intervals to pick between, so the interval matters more than the tier. Prices are quoted inclusive of VAT.
What are the alternatives to LanguageTool?
6 tools do comparable work: ChatGPT, Claude, DeepL Write, Gamma, Grammarly, Hemingway Editor. 6 of them have a free plan.
How current is this LanguageTool pricing?
Checked by hand on 4 September 2026. Prices change often — confirm on the provider's own page before spending.