Leanstral 1.5 119B A6B
Leanstral 1.5 119B A6B is a mixture of experts model with 119 billion total parameters and 6.5 billion active per token, built by Mistral AI as a code agent for formal verification in Lean 4. It accepts text and image input and produces text output, with a 256k token context window. It solves competition math benchmarks like miniF2F and PutnamBench and can verify code correctness properties, uncovering real bugs in open source repositories.
- Type
- Coding
- Weights
- Open
- Downloads
- 190
- Likes
- 219
- License
- apache-2.0
- Library
- vllm
Model hub
mistralai/Leanstral-1.5-119B-A6B
- Repo
- mistralai/Leanstral-1.5-119B-A6B
- Access
- Public
Technical tags and languages
More from Mistral AI
11
-
Codestral 25.01
Text
Codestral 25.01 is Mistral’s code-specialized model, tuned for high-quality generation, completion (including…
-
Codestral Mamba
Text
Codestral Mamba is Mistral AI's 7.3B open-weight code model built on the Mamba2 state-space architecture inst…
-
Devstral 2
Text
Devstral 2 is Mistral AI’s 123B open-weight coding model family, paired with the open-source Mistral Vibe CLI…
-
Devstral Small (24B)
Text
AI model by Mistral AI
-
Magistral Medium
Text
Magistral Medium is Mistral’s mid-tier model in the Magistral line, designed to balance stronger reasoning an…
-
Magistral Medium 1.2
Text
Magistral Medium 1.2 is Mistral AI’s mid-tier reasoning model, designed to balance capability and efficiency.…
-
74k DL
Magistral Small
Text
Magistral Small is a compact model from Mistral’s specialized lineup, tuned for efficiency while still offeri…
-
Magistral Small 1.2
Text
Magistral Small 1.2 is Mistral AI’s compact reasoning model, optimized for efficiency and cost-sensitive depl…
About Mistral AI
1
Mistral AI develops frontier generative AI models, infrastructure, and enterprise deployment products.