Chinese supercomputer leapfrogs best US machines to be ranked world’s fastest

A Chinese system has become the world’s most powerful supercomputer, surpassing American machines for the first time since 2021.

LineShine, installed at China’s National Supercomputing Center in Shenzhen, clinched the top spot in the 67th TOP500 ranking of the world’s most powerful supercomputers. The new system has already been used in a range of fields, giving developers another route to achieve supercomputing power.

The machine, which came online in the first half of 2026, can reach speeds of 2.198 exaFLOPS — where 1 exaFLOP is 1 quintillion (1018) floating-point operations, or mathematical calculations, per second (FLOPs) — making it the only supercomputer on the planet to exceed 2 exaFLOPS per second. It's also the first time China has hosted the world's fastest supercomputer since 2017.