Elon Musk's xAI has moved into OpenAI's founding HQ. Musk subsequently left OpenAI and has become increasingly critical of the company, founding rival startup xAI last year. AdvertisementElon Musk is racing to upstage OpenAI — and now the billionaire has moved his own AI startup into the company's old HQ. Musk's AI startup xAI has taken over OpenAI's original office in San Francisco's Mission district, according to a report from the San Francisco Business Times. It comes amid an escalating war of words between the Tesla CEO and the AI startup he helped found in 2015.

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Persons: Elon Musk's xAI, Musk, —, Elon, Martin von Hagen, Elon Musk, xAI, Sam Altman, OpenAI, Greg Brockman, refiled, Altman, he'd Organizations: Service, San Francisco Business Times, San Francisco Chronicle, sublease, Microsoft Locations: San Francisco's Mission, OpenAI