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.

The two tech titans are in the meanest fight in business. The stakes couldn’t be higher.

OpenAI's board of directors has rejected Elon Musk's $97.4 billion bid to buy the company, calling Musk's bid an "attempt to ...

So how much is OpenAI worth? The potential of its revolutionary technology — to advance science, medicine and tech — is real, and it’s definitely worth more than the two ...