Elon Musk openly questioned whether companies that joined President Donald Trump’s announcement promising hundreds of billions of dollars in artificial intelligence infrastructure could follow through on their promises,

OpenAI and SoftBank have both committed $19 billion each to the Stargate venture worth $500 billion to build AI data centres in the U.S.

A closer look at OpenAI CEO Sam Altman after President Trump announces a multi-billion dollar joint venture between Altman's company, SoftBank and Oracle, and why it's already drawing the ire of major Trump ally Elon Musk.

Altman took to X to dispute Musk's characterisation on Wednesday, calling it wrong and suggesting Musk was upset because the pact could rival the billionaire's own AI efforts

The disagreement centres around claims made by Musk that the funds promised for the project might not be available as expected.

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

U.S. President Donald Trump announced on January 21 that Japan's SoftBank Group, Open AI and Oracle will together

Altman said that a project like Stargate might not have been possible with "a different president."

SoftBank, OpenAI, and Oracle are launching a $500 billion joint venture named Stargate to fund AI infrastructure in the U.S. The initiative, praised by President Trump, aims to deploy $100 billion immediately for projects like data centers and cancer research.

The Stargate announcement prompted immediate skepticism over whether it would come to fruition, or represented new spending by the companies.