Mistral's open-source Leanstral 1.5 aces formal math benchmarks and catches real bugs in code

Mistral AI released Leanstral 1.5, an open-source model for formal verification in Lean 4. Beyond math, the model found five previously unknown bugs while scanning 57 open-source repositories. The article Mistral's open-source Leanstral 1.5 aces formal math benchmarks and…

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