Microsoft-backed Mistral AI raises $645 million at a $6 billion valuation CNBCMistral secures €600mn funding as valuation soars to almost €6bn Financial TimesMistral, a French A.I. Start-Up, Is Valued at $6.2 Billion The New York TimesParis-based AI startup Mistral AI raises $640M TechCrunchFrench Startup Mistral AI Raises $650 Million in Bid to Scale Up The Wall Street Journal