Founder Profile
Guillaume Lample
Last reviewed: October 2026 · By Swet Parvadiya
Who is Guillaume Lample?
Guillaume Lample is a founder of Mistral AI SAS, which was founded in 2023 with Arthur Mensch and Timothée Lacroix.
- Company founded
- Mistral AI SAS
- Founded
- 2023
- Co-founders
- Arthur Mensch and Timothée Lacroix
Background
Former Meta AI Research Scientist.
Founding Story
Guillaume Lample co-founded Mistral AI in 2023. As a highly elite AI researcher at Meta (where he helped lead the development of the massive LLaMA model), he realized that European startups were falling catastrophically behind Silicon Valley. He left Meta to build highly efficient, open-weight models in Paris, proving that massive compute wasn't strictly necessary for top-tier AI performance. (Exact birth year remains publicly undisclosed).
Sources
This profile does not yet cite a source specific to Guillaume Lample. The sources below document the company company rather than the person, so check them against the claims above.
- CNBC - Mistral bags $24 billion valuation as Samsung leads funding (Mistral AI SAS)
- CNBC Disruptor 50 2026 - Mistral (Mistral AI SAS)