OpenAI claims Millennium Prize solved by 10,000 agents, Mistral raises €3B at Samsung's lead, and Anthropic locks in $80B compute it hasn't funded
OpenAI said AI agents solved Navier–Stokes in 88 hours. Mistral raised Europe's largest tech round at €21B valuation. Anthropic committed $80 billion to compute in five days without disclosing how it will pay for it.