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.

Musk slammed a Trump-backed $500 billion AI joint venture building out OpenAI’s artificial general intelligence.

Trump announced a $500 billion joint venture between OpenAI, Softbank, MGX and Oracle to build new datacenters to power the next wave of AI.

On Tuesday, Japanese tech investor SoftBank Group joined U.S. peers OpenAI and Oracle to unfurl the massive spending initiative, dubbed the "Stargate" project. The plan is to initially commit $100 billion then increase spending to $500 billion over the next four years.

OpenAI CEO Sam Altman called Stargate, “the most important project for this era” and promised that all of the new investment his company was making would help cure diseases. Altman was actually prompted by Trump to talk about the medical advances that AI would supposedly figure out.

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”.

A new company called Stargate, which combines some of the largest names in the artificial intelligence industry, was announced by President Donald Trump.

Tech billionaire Elon Musk voiced doubts about President Trump’s newly announced infrastructure plan for artificial intelligence, claiming the technology companies behind the effort do not yet have the $500 billion promised for the project.

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