OpenAI Breaks Ground on Stargate Phase 2 with 5GW Liquid Cooling

Dillip Chowdary

May 07, 2026 • 8 min read

OpenAI construction on Stargate Phase 2 begins in Arizona, featuring first-of-its-kind liquid-immersion cooling.

The technical landscape is shifting rapidly. This development represents a key milestone in 2026, forcing architects and engineers to rethink their existing stacks. We are monitoring the performance benchmarks and security implications in production environments.

For more detailed technical specs, refer to the official documentation and internal whitepapers. Our team is working on a full implementation guide that will be released next week.