Stargate Project: $500B AI Infrastructure Joint Venture Announced

On January 21, 2025, President Trump formally announced the Stargate Project — a joint venture between OpenAI, SoftBank, Oracle, and MGX that plans to invest $500 billion over four years building AI infrastructure in the United States, with $100 billion deployed immediately.

SoftBank's Masayoshi Son serves as chairman. By September 2025, five new US data center sites were announced. By December 2025, SoftBank completed its full $40 billion commitment to OpenAI. This is the largest AI infrastructure investment in history.