Ahrefs Yep1 is a large GPU cluster operated by Ahrefs, located in the United States, in the private sector. It came online around June 2024. At that moment it ranked number 108 among known clusters.
It is built on 504 NVIDIA H100 SXM5 80GB. That amounts to about 504 H100e of AI compute. The cluster draws roughly 0.72 MW. Its hardware is estimated at $18M.
Epoch AI rates the certainty of this record as confirmed.