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UK unveils Isambard-AI, its most powerful supercomputer ever

Technology

The UK has officially launched Isambard-AI in Bristol—its most powerful supercomputer ever.
Announced by Technology Secretary Peter Kyle on July 17, 2025, this machine is a big move to boost AI and drive innovation in everything from healthcare to climate science.

Isambard-AI offers over 21 exaflops of AI power

Isambard-AI runs on 5,448 NVIDIA GH200 Grace Hopper Superchips and offers over 21 exaflops of AI power.
It's housed in an energy-efficient data center using liquid cooling and packs a massive 23.5 petabytes of ultra-fast storage—perfect for handling huge AI projects without breaking a sweat.

The UK wants to improve NHS with Isambard-AI

This isn't just about tech bragging rights—the UK plans to use Isambard-AI (plus the Dawn system in Cambridge) to improve the NHS, tackle climate issues, and train one million students and millions more workers in AI skills.
It's all part of a push to make the UK a leader in smart tech—and open up new opportunities for young people everywhere.