Aleph Alpha alpha ONE is a large GPU cluster operated by Aleph Alpha, located in Germany, in the private sector. It came online around June 2022. At that moment it ranked number 76 among known clusters.
It is built on 512 NVIDIA A100. That amounts to about 161 H100e of AI compute. The cluster draws roughly 0.44 MW. Its hardware is estimated at $12M.
Epoch AI rates the certainty of this record as confirmed.