OpenAI CEO Sam Altman called out Elon Musk after the chief executive of X threatened to sue Apple, accusing the tech company of “relentlessly promoting” the owner of the popular platform ChatGPT at the expense of his xAI company. “Apple is behaving in a manner that makes it impossible for any AI company besides OpenAI to reach #1 in the App Store, which is an unequivocal antitrust violation,” Musk wrote Monday night. “xAI will take immediate legal action.” Musk did not cite any evidence to back up the allegations he laid out in a series of late-night posts on X,...