Mistral AI Releases Leanstral 1.5: An Apache-2.0 Lean 4 Code Agent Model Solving 587 of 672 PutnamBench Problems
Today, Mistral AI launched Leanstral 1.5. It is a code agent mannequin constructed for Lean 4. The launch targets automated theorem proving and proof engineering. Weights are open below Apache 2.0. A free API endpoint, leanstral-1-5, is now reside. Leanstral 1.5 updates the sooner Leanstral-2603 mannequin. It belongs to the Mistral Small 4 household. What…
