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.

In a short letter to Musk's lawyer on Friday, OpenAI's attorney, William Savitt, said the OpenAI board had reviewed the proposal and determined that the billionaire's "much-public

Elon Musk says he is prepared to drop his attempt to buy OpenAI if the ChatGPT maker maintains its current structure.