TACC Lonestar6 is a large GPU cluster operated by University of Texas at Austin, located in the United States, in the public sector. It came online around November 2022. At that moment it ranked number 139 among known clusters.
It is built on 252 NVIDIA A100 PCIe. That amounts to about 79.46 H100e of AI compute. The cluster draws roughly 0.16 MW. Its hardware is estimated at $6M.
Epoch AI rates the certainty of this record as confirmed.