The project will entail a joint venture between Oracle, Open AI and Softbank with the promise of investing nearly $500 billion into artificial intelligence infrastructure over the next four years. Other partners also include Nvidia, Microsoft and ARM— companies that have all been paramount to the significant AI boom in recent years.

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.”

Key Takeaways President Trump on Tuesday announced a joint venture with Oracle, OpenAI, and SoftBank to build AI infrastructure in the U.S.The companies said they would commit $100 billion to start, and as much as $500 billion over the next four years toward the initiative,