kitio.aiLanguageTool vs Ludwig
A side-by-side look at pricing plans, free tiers, features, pros and cons, updated for 2026. LanguageTool starts at See pricing page and Ludwig starts at See pricing page. Check both pricing pages for current plans.
At a glance
Best for
Pricing model
Starting price
Free plan
Made by
Based in
Rating
Key features
- Checks 30+ languages
- Browser and Office add-ins
- AI paraphraser
- Personal dictionary
- Self-hostable engine
- Sentence search
- Wildcard queries
- Compare phrases
- Source filters
- Desktop app
| Feature | LanguageTool | Ludwig |
|---|---|---|
| Best for | Multilingual grammar and style checker for more than 30 languages | Sentence search engine that shows how real sources use a phrase |
| Category | Writing | Writing |
| Pricing model | Freemium | Freemium |
| Starting price | See pricing page | See pricing page |
| Free plan | Yes | Yes |
| Made by | Learneo | Ludwig |
| Based in | Germany | Italy |
| Rating | No ratings yet | No ratings yet |
| Key features |
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Pricing compared
LanguageTool starts at See pricing page and Ludwig starts at See pricing page. Check both pricing pages for current plans.
Free plan
Cheapest paid plan
Top plan
Free trial
Prices in USD, checked Oct 28, 2026 or later. Plans change often, so confirm on each tool's site before you buy.
Pros and cons
LanguageTool
- Strong support for European languages
- Open-source core
- Works in LibreOffice
- Free plan limits text length
- Style suggestions weaker than in English-only tools
Ludwig
- Shows real usage examples
- Good for non-native writers
- Wildcards fill in missing words
- Free use limited to a few daily queries
- English only
Which one should you choose?
Choose LanguageTool if you want:
- Strong support for European languages
- Open-source core
- Works in LibreOffice
Watch out: free plan limits text length.
Choose Ludwig if you want:
- Shows real usage examples
- Good for non-native writers
- Wildcards fill in missing words
Watch out: free use limited to a few daily queries.
LanguageTool vs Ludwig FAQ
What is the difference between LanguageTool and Ludwig?
LanguageTool: Multilingual grammar and style checker for more than 30 languages. Ludwig: Sentence search engine that shows how real sources use a phrase. Both are writing tools.
Is LanguageTool or Ludwig cheaper?
LanguageTool starts at See pricing page and Ludwig starts at See pricing page. Check both pricing pages for current plans.
Do LanguageTool and Ludwig have free plans?
LanguageTool: Yes. Ludwig: Yes.
Who makes LanguageTool?
LanguageTool is made by Learneo, based in Germany.
Who makes Ludwig?
Ludwig is made by Ludwig, based in Italy.
Which should I choose, LanguageTool or Ludwig?
Choose LanguageTool if you value strong support for european languages and open-source core. Choose Ludwig if you value shows real usage examples and good for non-native writers.