The UK has unveiled Isambard-AI, its most powerful supercomputer to date, ranking 11th globally. Housed at the University of Bristol, the Hewlett-Packard Enterprises (HPE)-built machine boasts 216.5 petaflops of raw computing power, peaking at 278.6 petaflops. Powered by over 5400 NVIDIA Grace Hopper superchips and utilizing Cray EX architecture, Isambard-AI is more than ten times faster than the UK's next fastest supercomputer, Njoerd. This significant upgrade positions the UK as a major player in advanced computing and AI research.