LanguageTool
situationalOpen-source multilingual grammar, style, and spelling checker.
Visit languagetool.org →> **LanguageTool** — situational > Verified 2026-08-19 > Limitation: Free tier has a 2,000-character limit per check and fewer style rules. > > https://noemium.com/tools/languagetool/Add to kitOpen in NoemiumFact-check this catalog entry for LanguageTool (writing). Verdict: situational Verdict text: The strongest open-source option for multilingual grammar and style checking, with a solid free browser add-on. Premium unlocks deeper style rules and higher limits, but the core engine is self-hostable. Best for privacy-conscious users and teams that want EU-based tooling. Limitations: - Free tier has a 2,000-character limit per check and fewer style rules. - Premium paraphrasing is capped even on paid plans. - Self-hosted setup requires technical effort and your own infrastructure. Receipts: https://languagetool.org https://languagetool.org/premium Last verified: 2026-08-19 Find outdated prices, wrong claims, or missing limitations. Cite primary sources (docs, pricing pages, benchmarks, model cards). Do not use marketing pages.[](https://noemium.com/tools/languagetool/)
ledger entry · observed by @whysanesanders
The strongest open-source option for multilingual grammar and style checking, with a solid free browser add-on. Premium unlocks deeper style rules and higher limits, but the core engine is self-hostable. Best for privacy-conscious users and teams that want EU-based tooling.
Strengths
- Strongest open-source option for multilingual grammar and style checking.
- Solid free browser add-on for quick checks.
- Core engine is self-hostable for privacy-conscious teams.
Known limitations
- Free tier has a 2,000-character limit per check and fewer style rules.
- Premium paraphrasing is capped even on paid plans.
- Self-hosted setup requires technical effort and your own infrastructure.
Use it when
- Multilingual writers who need an open-source grammar/style checker.
- Privacy-conscious users and teams wanting EU-based tooling.
- Teams with the ops capacity to self-host the core engine.
Skip it when
- You need unlimited style checks without the Premium cap.
- The free 2,000-character limit per check breaks your workflow.
- You cannot invest the technical effort to self-host.
Buy-check
- ·Price — freemium, Free browser/editor with basic checks; Premium unlocks advanced style, grammar, and higher limits as of 2026-08-19. Open the pricing page, not a screenshot.
- ·Free tier — Free tier exists — burn it first.
- ·Cancel fallout — What happens to your data/projects on cancel — check the ToS, not the FAQ.
- ·Seat math — Per-seat pricing multiplies quietly. Count seats before the annual plan.
- ·Who skips it — Also skipped when: You need unlimited style checks without the Premium cap.; The free 2,000-character limit per check breaks your workflow..
Price trailchangelog →
No price move in this repo yet.
Facts
- pricing
- freemium1
- price note
- Free browser/editor with basic checks; Premium unlocks advanced style, grammar, and higher limits
- free tier
- yes
- open source
- yes
- api
- yes
- self-host
- yes
- category
- writing
- evidence
- source-verified
Data: trains on inputs unknown · local processing yes
Sources
No source, no number.
Similar joball alternatives →
Compare:LanguageTool vs Grammarly
| tool | verdict | price | oss | self-host |
|---|---|---|---|---|
| LanguageTool | situational | freemium | yes | yes |
| Grammarly | situational | freemium | no | no |
| Lex | situational | freemium | no | no |
| Notion AI | situational | paid | no | no |
Facts from the catalog files — not scores you can buy. Quality and speed stay in the briefing, not in a fake 1–5 grid.
Grammarly
Writing assistant for grammar, tone and clarity, everywhere you type.
FREE TIER
freemiumfree tier (100 AI prompts/mo); Pro $12/mo (yearly)
Lex
Minimal AI-native writing app — Google Docs with a co-writer built in.
APIFREE TIER
freemiumfree tier; Pro from ~$16/mo (sources differ $16-18/mo, $96-145/yr — confirm on the Stripe pricing table)
Notion AI
AI assistant embedded in Notion — summarize, draft and search your workspace.
paidlimited AI trial on free/Plus; full AI in Business $20/member/mo (yearly)