BlockBeats News, October 2nd, according to sources familiar with the matter, OpenAI has completed a transaction that allows current and former employees to sell stock in the company at a valuation of $500 billion, totaling around $6.6 billion. This secondary sale has propelled the ChatGPT maker beyond Musk's SpaceX, making it the world's most valuable startup. Previously, in a $40 billion funding round led by SoftBank Group, OpenAI was valued at $300 billion. Sources indicate that as part of this transaction, OpenAI employees sold shares to a group of investors, including Thrive Capital, SoftBank, Dragoneer Investment Group, MGX from Abu Dhabi, and T. Rowe Price. (Jinse)