Mistral AI Secures €3 Billion Funding Led by Samsung, Unveils Open‑Weight Mistral 3 Model

Mistral AI secured €3 billion in funding for its open‑AI initiative, with major backers Samsung and semiconductor equipment maker ASML joining the round, part of a €3 billion open AI bet aimed at building Europe’s own large‑scale models, signaling strong European investor confidence in the startup’s roadmap.

Samsung led the financing that lifted Mistral’s post‑money valuation to $24 billion, positioning the French company as the highest‑valued AI startup in Europe and a direct challenger to U.S. giants.

Mistral 3 was unveiled as an open‑source large language model featuring an open‑weight architecture, enabling developers to adjust model parameters and build customized AI applications without proprietary restrictions.

The open‑weight strategy aims to close the “frontier gap” with OpenAI by offering transparent, modifiable models, a move highlighted by TechCrunch as a “build‑your‑own AI” bet intended to attract a broad developer ecosystem.