OpenAI is not for sale, and the board has unanimously rejected Mr. Musk's latest attempt to disrupt his competition,” said ...

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

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.

OpenAI sent a letter Friday to Marc Toberoff, the lawyer representing Elon Musk and the investors making the bid, saying that ...