The Endeavor CEO was enlisted to join investors who put in an unsolicited offer to buy OpenAI's majority share of its for-profit arm.

Despite having rarely left the president’s side over the preceding few months, Musk was blindsided by the announcement, ...

OpenAI's board rejected a $97.4-billion bid by an Elon Musk-led investment group to buy the San Francisco startup. OpenAI's ...

OpenAI's board on Friday unanimously rejected Elon Musk's $97.4 billion bid for the parent company of ChatGPT.

OpenAI CEO Sam Altman has laid out a roadmap for the release of new AI models: GPT-4.5 and GPT-5. He promised a simpler AI ...

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