Elon Musk is clashing with OpenAI CEO Sam Altman over the Stargate artificial intelligence infrastructure project touted by President Donald Trump, the latest in a feud between the two tech billionaires that started on OpenAI's board and is now testing Musk's influence with the new president.

Elon Musk reacted to Microsoft CEO Satya Nadella’s comments regarding the $500 billion Stargate AI project, questioning its funding. Nadella affirmed Microsoft’s investment.

Yes, that's the name of a 1994 Roland Emmerich movie. It's now a big infrastructure project to help power tech giants' foray into AI.