ExxonMobil Discovery 6 is a large GPU cluster operated by ExxonMobil, located in the United States, in the private sector. It came online around June 2025.
It is built on 4,032 NVIDIA GH200. That amounts to about 4K H100e of AI compute. The cluster draws roughly 5.65 MW.
Epoch AI rates the certainty of this record as confirmed.