Mistral AI Releases Leanstral 1.5: Apache-2.0 Lean 4 Code Agent Model Solving 587 of 672 PutnamBench Issues
Today, Mistral AI was released Lesson 1.5. It is a code agent model built for Lean 4. The release targets automated theorem proving and proof engineering. Weights are enabled under Apache 2.0. Free API endpoint, leanstral-1-5it’s live. Leanstral 1.5 updates the previous Leanstral-2603 model. It belongs to the Mistral Small 4 family. What is Leastral … Read more