OpenAI CEO Sam Altman has dismissed a $97.4 billion takeover bid led by rival Elon Musk, but the unsolicited offer could complicate Altman’s push to transform the maker of ChatGPT into a for-profit company. “We are not for sale,” Altman said Tuesday at an artificial intelligence summit in Paris. Musk’s bid, announced Monday, is the latest in a bitter years-long battle with Altman over control of the AI startup they both helped found a decade ago as a nonprofit and is now a leading force in the global boom surrounding generative AI technology.