Trump was joined by SoftBank Group Corp.’s Masayoshi Son, OpenAI’s Sam Altman and Oracle Corp.’s Larry Ellison at the White House to announce the venture, dubbed Stargate, which they said would deploy $100 billion immediately with the goal of eventually spending $500 billion for the construction of data centers and physical campuses.

Elon Musk weighed in on one of the first business investment unveilings by President Donald Trump Wednesday, in a move that could suggest friction at the heart of the new administration's focus on America's leadership in the global technology race.

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.”

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.

Elon Musk is already casting doubt on OpenAI’s new, up to $500 billion investment deal with SoftBank (SFTBY) and Oracle (ORCL), despite backing from his allies — including President Donald Trump.

Sam Altman's comments came amid a flurry of online exchanges between himself, Musk, and Microsoft over the $500 billion Stargate Project announced by Trump.

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..

The Stargate project has big implications for U.S. AI leadership, but also for who's winning the new president's ear.

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