kitio.aiGensim vs LMQL
A side-by-side look at pricing plans, free tiers, features, pros and cons, updated for 2026. Gensim starts at Free and LMQL starts at Free. Check both pricing pages for current plans.
At a glance
Best for
Category
Pricing model
Starting price
Free plan
Made by
Based in
Rating
Key features
- Topic modelling (LDA, LSI)
- Word2vec and doc2vec
- Document similarity search
- Streaming large corpora
- Pretrained model downloader
- Constrained generation
- Typed output variables
- Python integration
- Nested queries
- Online playground
| Feature | Gensim | LMQL |
|---|---|---|
| Best for | Free Python library for topic modelling and text embeddings | Programming language for prompting LLMs with types and constraints |
| Category | Models & APIs | Models & APIs |
| Pricing model | Free | Free |
| Starting price | Free | Free |
| Free plan | Yes, fully free | Yes, fully free |
| Made by | Radim Řehůřek | SRI Lab, ETH Zurich |
| Based in | Czechia | Switzerland |
| Rating | No ratings yet | No ratings yet |
| Key features |
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Pricing compared
Gensim starts at Free and LMQL starts at Free. Check both pricing pages for current plans.
Free plan
Cheapest paid plan
Top plan
Free trial
Prices in USD, checked Nov 5, 2026 or later. Plans change often, so confirm on each tool's site before you buy.
Pros and cons
Gensim
- Handles corpora larger than memory
- Mature and well documented
- Free and open source
- Focused on classic NLP, not LLMs
- Python only
LMQL
- Free and open source
- Guarantees output formats
- Backed by academic research
- New syntax to learn
- Smaller community than mainstream frameworks
- Release pace has been slow
Which one should you choose?
Choose Gensim if you want:
- Handles corpora larger than memory
- Mature and well documented
- Free and open source
Watch out: focused on classic nlp, not llms.
Choose LMQL if you want:
- Free and open source
- Guarantees output formats
- Backed by academic research
Watch out: new syntax to learn.
Gensim vs LMQL FAQ
What is the difference between Gensim and LMQL?
Gensim: Free Python library for topic modelling and text embeddings. LMQL: Programming language for prompting LLMs with types and constraints. Both are models & apis tools.
Is Gensim or LMQL cheaper?
Gensim starts at Free and LMQL starts at Free. Check both pricing pages for current plans.
Do Gensim and LMQL have free plans?
Gensim: Yes, fully free. LMQL: Yes, fully free.
Who makes Gensim?
Gensim is made by Radim Řehůřek, based in Czechia.
Who makes LMQL?
LMQL is made by SRI Lab, ETH Zurich, based in Switzerland.
Which should I choose, Gensim or LMQL?
Choose Gensim if you value handles corpora larger than memory and mature and well documented. Choose LMQL if you value free and open source and guarantees output formats.