Mistral AI raises €3B led by Samsung at €21B valuation

Mistral AI announced a €3 billion Series D on September 8, 2026, at a post-money valuation above €21 billion. Samsung Electronics led the round, with EQT, PSG Equity, a16z, ASML, Nvidia and Salesforce Ventures participating. The money funds European data centers, including 13,800 Nvidia GB300 GPUs near Paris and a site in Sweden.

• €3B Series D lifts valuation from €11.7B to more than €21B
• Samsung Electronics leads, with EQT Scaleup Europe Fund and PSG Equity as co-leads
• Paris-area data center to get 13,800 Nvidia GB300 GPUs, 200 MW target by 2027
• Mistral Medium 3.5: 128B open-weight model at $1.50/$7.50 per million tokens