Mistral AI
French AI startup. Founded May 2023 by Arthur Mensch (ex-DeepMind), Timothée Lacroix, Guillaume Lample (ex-Meta). Pioneered high-quality open-weights LLMs in Europe. $1B valuation after 4 weeks; $6B 2024.
Open-weights releases: Mistral 7B (Sept 2023), Mixtral 8x7B (Dec 2023, MoE) — outperformed Llama 2 70B with ~80% less activation params. Closed: Mistral Large (competitive with GPT-4), Pixtral (multimodal). Le Chat: chat interface. Microsoft partnership 2024 ($16M investment + Azure distribution) controversially. EU AI policy: Mistral lobbied hard against AI Act restrictions on foundation models. European sovereignty narrative — alternative to US AI companies.