Mistral AI

Startup

European AI startup building open and efficient models.

Key people

Arthur Mensch

CEO & co-founder

French AI researcher and former Google DeepMind scientist who co-founded Mistral AI in 2023 and leads it as CEO. He is one of the most prominent voices for European, open-weight AI.

Guillaume Lample

Chief Scientist & co-founder

Co-founder and chief scientist of Mistral AI, where he steers model research and training. He previously worked at Meta AI, where he contributed to the original LLaMA model.

Timothée Lacroix

CTO & co-founder

Co-founder and chief technology officer of Mistral AI, responsible for its infrastructure and model-training engineering. Like Guillaume Lample, he came from Meta's AI research lab.

Events (15)

8 Sep 2026

Mistral AI

Key people

Arthur Mensch

Guillaume Lample

Timothée Lacroix

Events (15)

Mistral raises €3B Series D at a €21B valuation

Mistral releases Mistral Small 4

Mistral releases the Mistral 3 open-weight family

ASML leads Mistral's €1.7B Series C, becoming its top shareholder

Mistral releases Magistral, its first reasoning models

Mistral launches Le Chat Enterprise with canvas and agents

Mistral releases Mistral Small v2

Mistral releases Pixtral 12B multimodal model

Mistral releases Mistral Large 2

Mistral releases Mistral NeMo 12B with NVIDIA

Mistral raises 600M euros Series B at $6B valuation

Mistral releases Mistral Large and Le Chat

Mistral raises 385M euros (~$415M) Series A

Mistral releases Mixtral 8x7B

Mistral AI releases Mistral 7B