AI benchmark cheating has been theorized as an inevitable consequence of training capable optimizers against fixed metrics. With OpenAI's GPT-5.6 Sol, the theory arrived in full view. The nonprofit ...
Mistral AI has released Leanstral 1.5 as a free Apache-2.0 model for Lean 4 verification. Lean 4 is a proof-assistant and programming environment for machine-checkable proofs, and proof engineering ...