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Introducing Stargate UK

50,000 GPUs. OpenAI, NVIDIA, and Nscale just built the UK's largest supercomputer.

Reporting by OpenAI Blog 1 min brief
Paper-cut illustration of an amber microchip with circuit paths extending into a row of data-center cabinets.
The infrastructure powering AI.AI illustration by KeyNews
The KeyNews take

Why it matters

OpenAI is moving beyond US infrastructure into sovereign AI buildouts. This signals a shift toward geopolitical compute strategies and regional AI dominance plays—critical for founders planning expansion and investors tracking AI infrastructure bets.

The key facts

6 to know

  1. 50,000 GPU capacity deployment

  2. UK's largest supercomputer

  3. Three-party partnership: OpenAI, NVIDIA, Nscale

  4. Focus on national AI innovation and public services

  5. Sovereign infrastructure angle (non-US jurisdiction)

  6. Published September 16, 2025

Go to the source

OpenAI Blogopenai.com

Publisher excerpt: OpenAI, NVIDIA, and Nscale launch Stargate UK, a sovereign AI infrastructure partnership delivering up to 50,000 GPUs and the UK’s largest supercomputer to power national AI innovation, public services, and economic growth.
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