Trump supporter Elon Musk, worth more than $400 billion, was an early investor in OpenAI but has since challenged its move to for-profit status and has started his own AI company, xAI. Musk is also in ...

Tech titan Elon Musk cast doubt Wednesday on a $500 billion AI project announced by U.S. President Donald Trump, saying the money promised for the investment actually wasn't there. The comments marked ...