Leanstral: open-source foundation for trusted programming
Mistral AI has released Leanstral, the first open-source code agent for Lean 4, a proof assistant. Leanstral is efficient with 6B active parameters and outperforms larger open-source models and some Claude models at a fraction of the cost, aiming to verify code generation.
Mistral
Anthropic
Alibaba/Qwen
Moonshot AI


