Best for
Best for individuals who want AI writing help and a personal assistant across the web.
- Freelancers
- Small and mid-sized
AI Writing Comparison
HyperWrite vs. LanguageTool
At a glance
At a glance
Best for
Best for writers and teams working in several languages who want the same checker inside their browser, office suite and mail client.
- Freelancers
- Small and mid-sized
- Enterprise
Cataleo does not name a winner. Both statements come from the vendors themselves.
Full Comparison
| Criterion | HyperWrite | LanguageTool |
|---|---|---|
| Starting price | Free tier; Premium from $19.99 / month Premium $16 / month billed annually; Ultra $44.99 / month ($29 annually). | Free tier Premium is billed monthly, quarterly, annually or for two years; Teams is priced per user for 2 to 1,000 or more users. |
| Free trial | Free plan with limited monthly credits | Free tier |
| Commercial use | Yes | Not stated |
| Output | Written content and emails | Spelling, grammar, punctuation and style corrections, plus AI paraphrased sentences |
| Languages | Not stated | More than 30 languages and dialects, with six English varieties |
| Hosting | Not stated | Cloud (SaaS), API servers in Germany; the source code is published for self-hosting |
| Content types | Emails, paragraphs, speeches and general writing | Checks and rewrites text the writer has already started rather than generating a content format; Premium raises the limit to 150,000 characters per text field, which covers blog articles, letters and long e-mails |
| Brand voice | Yes, custom personas mirror your writing style (3 on Premium, 10 on Ultra) | Yes, a Style Guide of custom rules for consistent wording, and a shared Team Style Guide plus a Team Dictionary of technical terms on the Teams plan |
| Content scoring | No score or grade for a draft; the editor gives written AI feedback, rewrites and citations instead | No content or readability score. The editor's Statistics view tracks writing activity over time, the languages used, the errors made and the suggestions applied, which measures the writer's habits rather than rating a piece of text |
| Drafting tools | Yes, Flexible AutoWrite, Magic Editor, a summarizer and hundreds of AI tools, plus custom tools | Yes, an AI paraphrasing tool that rewrites a sentence to be more formal, more fluid or shorter, uncapped on Premium |
| Templates | Hundreds of built-in AI tools for specific tasks | No content templates. LanguageTool corrects and rephrases text the writer brings to it; the only things reusable across documents are the personal dictionary and the Style Guide rules |
| Team workflows | No team plan and no shared workspace; the published plans are Free, Premium and Ultra, all single-user | Yes, the Teams plan adds e-mail invitations, user management, a shared style guide and a shared dictionary for 2 to 1,000 or more users |
| API | No public developer API is published; HyperWrite is used through the web app and the Chrome extension | Yes, the Proofreading HTTP API with JSON responses, monthly tiers from 100 to 10,000 requests, up to 60,000 characters per request, customisable rules and personal dictionary access, served from Germany without storing the submitted text |
| Deployment | Cloud (SaaS), Browser-based | Cloud (SaaS), Browser-based |
| Support | Email helpdesk, Community forum | Not stated |
| Onboarding | Documentation and knowledge base | Documentation and knowledge base |
| Company size | Freelancers, Small and mid-sized | more entries Freelancers, Small and mid-sized, Enterprise |
| Integrations | Chrome extension, Gmail | more entries Chrome, Microsoft Edge, Mozilla Firefox, Opera, Google Docs, Microsoft Word, Apple Pages, LibreOffice, Gmail, Outlook, Apple Mail, Thunderbird, macOS, Windows |
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Adds a column to the table, from the tools in this category.
Row where the values differ The small markers point at the lower number, the longer list or the stated feature. They describe the data, they are not a verdict.
The short version
Key Differences
- Starting price HyperWrite Free tier; Premium from $19.99 / month LanguageTool Free tier
- Free trial HyperWrite Free plan with limited monthly credits LanguageTool Free tier
- Company size HyperWrite Freelancers, Small and mid-sized LanguageTool Freelancers, Small and mid-sized, Enterprise
- Output HyperWrite Written content and emails LanguageTool Spelling, grammar, punctuation and style corrections, plus AI paraphrased sentences
- Content types HyperWrite Emails, paragraphs, speeches and general writing LanguageTool Checks and rewrites text the writer has already started rather than generating a content format; Premium raises the limit to 150,000 characters per text field, which covers blog articles, letters and long e-mails
Every line is one datapoint from the table above, picked automatically. Nothing here is written text.
The trade-offs
Strengths and Limitations
HyperWrite
Strengths
- Custom personas match your own writing style
- Chrome extension brings suggestions and citations to any site
- Large library of tools plus custom tools you can build
Limitations
- Premium caps AI messages at 250 per month
- Built for individuals rather than team workflows
- Better models are limited to paid plans
LanguageTool
Strengths
- More than 30 languages and dialects in one checker
- Add-ons for browsers, Google Docs, Word, Apple Pages, LibreOffice, four mail clients and desktop apps
- Proofreading HTTP API served from Germany, with no storage of submitted text
- Source code published, so the checker can be run on your own server
Limitations
- The free tier caps the length of a single text field
- The extra Premium checks cover seven languages, not all thirty
- No editor of its own; the checker lives in add-ons and plugins
Plans
Pricing
HyperWrite
- Free Free Limited monthly credits on the basic AI.
- Premium $19.99 Per month ($16 billed annually). 250 AI messages per month, 3 custom personas, citations, unlimited TypeAheads.
- Ultra $44.99 Per month ($29 billed annually). Unlimited AI messages, 10 custom personas, early access to experimental features.
LanguageTool
- Free $0 Basic spelling, grammar and punctuation checking with a limit on the length of a single text field.
- Premium Not stated More than 20,000 additional checks, up to 150,000 characters per text field, unlimited AI paraphrasing and a Style Guide. Billed monthly, quarterly, annually or for two years.
- Teams Not stated All Premium features plus user management, a Team Style Guide and a Team Dictionary, priced per user for 2 to 1,000 or more users.
What users say
Review Scores · opens after launch
HyperWrite
- Ease of use
- Not rated yet
- User interface
- Not rated yet
- Onboarding
- Not rated yet
- Support and service
- Not rated yet
- Value for money
- Not rated yet
- Features
- Not rated yet
No reviews yet. Be the first to review this tool. Every review is checked for fairness before it appears, and the vendor cannot have one removed.
LanguageTool
- Ease of use
- Not rated yet
- User interface
- Not rated yet
- Onboarding
- Not rated yet
- Support and service
- Not rated yet
- Value for money
- Not rated yet
- Features
- Not rated yet
No reviews yet. Be the first to review this tool. Every review is checked for fairness before it appears, and the vendor cannot have one removed.
Where this comes from
Where this comes from
HyperWrite https://www.hyperwriteai.com · checked against the official source on 2026-09-08
LanguageTool https://languagetool.org · checked against the official source on 2026-09-09
This table lists factual criteria taken from information the vendors publish themselves. For how we put it together, see the methodology.