[AI Startup Arcee AI Completes $150 Million Series B Financing, Pre-Money Valuation at $1 Billion] According to Fortune magazine, U.S.-based AI startup Arcee AI has completed a $150 million Series B financing round, with a pre-money valuation of $1 billion. The round was led by Vista Equity Partners, Cambium Capital, and Emergence Capital, with participation from Microsoft's M12, AI10 Ventures, Hitachi, IAG, P7, and Wipro. Arcee did not disclose the exact amount, but sources indicate it was at least $150 million. Founded in 2023, Arcee initially focused on fine-tuning and optimizing existing models before shifting to building open-weight models from scratch. Its founder, Mark McQuade, was an early employee at Hugging Face.