What Stargate is

Stargate is a joint venture that SoftBank, OpenAI, Oracle and MGX announced in January 2025. The goal: invest $500B over 4 years to build AI data centers in the US. Trump announced it from the White House as a strategic priority for "AI sovereignty".

The first phase: $100B already committed, with the first data center under construction in Texas. By the end of the program, dozens of facilities are projected across the country.

Investor structure

SoftBank (largest capital): the Japanese tech investor, returning aggressively to AI bet. OpenAI: the strategic partner — the infrastructure is largely for OpenAI workloads. Oracle: provides cloud expertise and existing data centers. MGX (UAE): Abu Dhabi sovereign fund, bringing critical capital.

Why $500B

Three converging motivations: (1) Compute race: training frontier models requires massive infrastructure. OpenAI saw the SpaceX-Anthropic deal as a real threat. (2) US sovereignty: politically, having AI compute on American soil is strategic. (3) Returns: if the AI thesis works, infrastructure investments generate massive returns (like railroads in their day).

The valid skepticism

The $500B is committed, not paid

$500B is the announced figure over 4 years. Capital actually deployed in year 1: closer to $100B. The remainder depends on execution, market demand and political conditions. History is full of mega-projects that delivered partial.

Elon Musk publicly criticized: "SoftBank doesn't have $100B available", suggesting the figures are inflated. The reality probably between the optimistic announcement and Musk's skepticism.

Impact on AI ecosystem

If Stargate executes ~50% of what it announced, it: doubles US AI compute capacity by 2028. Reinforces OpenAI's position. Pressures competitors (Anthropic, Google) to accelerate. Generates significant electricity demand (impact on energy grid).

Conclusion

Stargate is a strategic bet on a multiplicative scale. Even if it executes only 60%, it would be the largest infrastructure project of the AI era. The next 12-18 months will be critical: ground-breaking, first MWs deployed, first models trained on Stargate. The metric to follow: not the announced numbers, but the data center capacity online by end of 2026.