CEA EXA1-HE Phase 3 is a large GPU cluster operated by French Alternative Energies and Atomic Energy Commission (CEA), located in France, in the public sector. It came online around June 2025.
It is built on 2,688 NVIDIA GH200. That amounts to about 2.7K H100e of AI compute. The cluster draws roughly 3.77 MW.
Epoch AI rates the certainty of this record as confirmed.