Mistral
startupMistral AI is a French AI company founded in April 2023 by three Ecole Polytechnique alumni: Arthur Mensch (CEO, ex-Google DeepMind), Guillaume Lample (Chief Scientist, ex-Meta FAIR), and Timothee Lacroix (CTO, ex-Meta FAIR, contributed to LLaMA). With $3B+ raised across five equity rounds (seed through Series C) and valued at ~$14B, Mistral is Europe's leading AI lab. Revenue surged from ~$20M ARR in January 2025 to ~$400M ARR by January 2026.
Mistral pioneered efficient open-weight models: Mistral 7B (Sep 2023) introduced Sliding Window Attention and beat Llama 2 13B; Mixtral 8x7B (Dec 2023) popularized Sparse MoE for open models; Mixtral 8x22B scaled to 141B/39B active. The current flagship Mistral Large 3 (Dec 2025, 675B/41B active MoE, Apache 2.0) competes with frontier models across reasoning, coding, and multilingual tasks. Mistral Small 4 (Mar 2026, 119B/6.5B active MoE) unifies instruct, reasoning, multimodal, and agentic coding in one model.
Beyond LLMs, Mistral has built a full product ecosystem: Le Chat (consumer AI assistant), Codestral (code-specialized models including the Mamba2-based Codestral Mamba), Pixtral (vision-language models), Voxtral (speech understanding and TTS), Magistral (pure RL reasoning), Mistral Saba (Arabic/South Asian languages), and Devstral (agentic coding, 72.2% SWE-Bench Verified). Mistral is building a 13,800 GB300 GPU data center near Paris ($830M debt financing, Mar 2026) and holds defense and enterprise contracts including with the French military and CMA CGM.
People
- Arthur Mensch Google ScholarOpenReview — Co-founder & CEO (formerly Google DeepMind (Paris); PhD ENS)
- Guillaume Lample Google ScholarOpenReview — Co-founder & Chief Scientist (formerly Meta FAIR; PhD Carnegie Mellon / UPMC)
- Timothee Lacroix Google ScholarOpenReview — Co-founder & CTO (formerly Meta FAIR (LLaMA contributor); PhD Ecole des Ponts)
- Albert Q. Jiang Google ScholarOpenReview — Research Scientist (Reasoning, lead author Mistral 7B & Mixtral) (formerly University of Cambridge (PhD))
- Devendra Singh Chaplot Google Scholar — Former Founding Team (departed ~2025; now at xAI) (formerly Meta FAIR; Carnegie Mellon (PhD))
News
- 2026-03-30 Mistral AI Raises $830M in Debt to Set Up a Data Center Near Paris — TechCrunch
- 2026-01-27 Mistral AI Surges Revenue 20-Fold to Over $400 Million ARR — MLQ
- 2025-09-01 Mistral AI Raises EUR 2B at EUR 12B Valuation — Mistral AI