Mistral AI has released Leanstral 1.5, an open-source code agent model designed for the Lean 4 programming language and formal verification tasks. This updated model boasts 119 billion total parameters with 6.5 billion active per token and supports a 256k token context length, handling both text and image inputs. Leanstral 1.5 has demonstrated state-of-the-art performance on benchmarks like miniF2F and PutnamBench, and has been used to identify previously unknown bugs in software repositories. AI
IMPACT Enhances formal verification capabilities and code generation for specialized programming languages.
RANK_REASON Frontier-lab model release with system card
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- Lean 4 Programming Language
- Leanstral 1.5
- Mistral AI
- Leanstral-1.5-119B-A6B
- mistralai/Leanstral-1.5-119B-A6B
- NVIDIA
- vLLM
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