Tech billionaires including Elon Musk, Mark Zuckerberg and Jeff Bezos were given prime positions at Donald Trump's inauguration Monday, in an unprecedented demonstration of their power and influence on US politics.

For years, the biggest tech giants have battled amongst themselves (remember when Zuckberg and Musk were going to have a cage match?). Now they are coming together in support of the president — and their own interests,

Elon Musk claimed overnight Tuesday that tech giants OpenAI, Oracle and Softbank don’t have enough money to fulfill their high-profile pledge to invest $500 billion in U.S. artificial intelligence infrastructure.

OpenAI and Microsoft have hit back at Elon Musk’s criticism of Stargate, the new $500bn artificial intelligence infrastructure project hailed by Donald Trump as a “resounding declaration of confidence in America’s potential under a new president”.

Elon Musk and OpenAI CEO Sam Altman are fighting on X about Stargate, the infrastructure project to build data centers for OpenAI in the U.S.