OpenAI, the company behind the ChatGPT chatbot, has closed an over $300 million share sale at a valuation between $27 billion and $29 billion, TechCrunch reported. As per the report, VC firms including Tiger Global, Sequoia Capital, Andreessen Horowitz, Thrive, K2 Global and Peter Thiel's Founders Fund participated in the round. Outside investors now reportedly own over 30% of OpenAI.