Google MLPerf 0.7 Submission is a large GPU cluster operated by Google, located in the United States, in the private sector. It came online around July 2020. At that moment it ranked number 11 among known clusters.
It is built on 4,096 Google TPU v3. That amounts to about 255 H100e of AI compute. The cluster draws roughly 4.03 MW. Its hardware is estimated at $39M.
Epoch AI rates the certainty of this record as confirmed.