
Lucile SaulnierResearcher
Mistral AI
AI Scientist
via Mistral AI
Researcher
Research Scientist at Mistral AI
Jiang builds language models that reason about mathematics and produce machine-checkable proofs. At Mistral AI, his work has ranged from training data for Mistral and Mixtral to Mathstral, reinforcement-learned reasoning models, and formal agents built around the Lean proof system.
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Last editorial review: August 9, 2026