Mistral AI Launches Leanstral Open-Source Proof Agent for Lean 4 Mistral releases Leanstral, a 6B parameter AI agent for Lean 4 formal verification, beating larger models at 1/15th the cost under Apache 2.0 license. (Read More) Leave a Reply Cancel replyYour email address will not be published. Required fields are marked *Comment * Name * Email * Website Save my name, email, and website in this browser for the next time I comment. Filed under: Altcoins - @ March 16, 2026 7:16 pm