Indiana University Big Red 200 is a large GPU cluster operated by Indiana University Bloomington, located in the United States, in the public sector. It came online around November 2021. At that moment it ranked number 92 among known clusters.
It is built on 256 NVIDIA A100. That amounts to about 80.72 H100e of AI compute. The cluster draws roughly 0.22 MW. Its hardware is estimated at $10M.
Epoch AI rates the certainty of this record as confirmed. Unclear exactly when this was first operational. It was first listed in Top500 in November 2021, but it was planned to be operational Fall 2020