$86 billion valuation
Microsoft emerges as big winner from OpenAI turmoil with Altman on board
Microsoft emerged on Monday as the big winner of the upheaval at OpenAI, hiring ousted CEO Sam Altman and other key staff of the startup.
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OpenAI appoints new boss as Sam Altman joins Microsoft in Silicon Valley twist
OpenAI named ex-Twitch boss Emmett Shear as interim CEO, while outgoing chief Sam Altman is set to join backer Microsoft in a surprise turn of events for the startup.