Updated to note that the Microsoft investment closed in January. The money from VCs reported here, part of a tender offer, is separate to that. OpenAI, the startup behind the widely used conversational AI model ChatGPT, has picked up new backers, TechCrunch has learned. VC firms including Sequoia Capital, Andreessen Horowitz, Thrive and K2 Global … Continue reading OpenAI closes $300M share sale at $27B-29B valuation