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.

Elon Musk doesn’t miss an opportunity to take a dig at OpenAI — even when the news item in question is supposed to be favorable to President Trump. Just a few hours after yesterday’s White House presser on The Stargate Project wrapped up, Musk posted on X that “they don’t actually have the money.”

Elon Musk expresses doubt on $100 billion computing infrastructure investment announced by Trump administration.

They don’t actually have the money,” Elon Musk wrote on his social media platform, exposing an early internal rift within the White House.

Tesla Inc. CEO Elon Musk cast doubt Wednesday on the ambitious $500 billion Project Stargate, hours after its announcement, claiming lead investor SoftBank Group SFTBY -0.36% + Free Alerts SFTBF + Free Alerts has “well under $10B secured.”

Elon Musk has expressed doubts about the financial feasibility of the $500 billion Stargate AI Project announced by President Donald Trump. The project, led by OpenAI and SoftBank, aims to build AI infrastructure across the US,

On Tuesday, President Donald Trump announced Stargate—a public-private joint AI venture between the federal government, OpenAI, SoftBank, and Oracle, which the forty-seventh president claimed could invest as much as $500 billion into the bubbling tech sector over the next four years.

Stargate is supposed to spend $500 billion on AI infrastructure, President Trump said. But Elon Musk suggested that the venture has much less cash.

Mr. Trump had claimed the A.I. announcement as an early trophy, taking credit for the companies’ decision to spend up to $500 billion building data centers.

The project backed by Oracle, OpenAI, and SoftBank was announced by President Donald Trump Jan. 21, but it's not without its detractors.