Meta, AI entrepreneurs, academics, and other charities and activists are criticizing the startup's plan to shed its ties to its non-profit parent.

Bret Taylor, the chairman of OpenAI’s board, said the artificial intelligence company was “not for sale.” Mr. Musk is separately raising money for his A.I. start-up, xAI.

The rivalry between Elon Musk and OpenAI has reached a new high after the company’s board unanimously rejected Musk’s bid, labeling it as an attempt to disrupt competition. OpenAI chairman Bret Taylor reinforced the organization’s stance,