Max-Planck-Gesellschaft Raven is a large GPU cluster operated by Max Planck Society, located in Germany, in the public sector. It came online around June 2021. At that moment it ranked number 31 among known clusters.
It is built on 768 NVIDIA A100. That amounts to about 242 H100e of AI compute. The cluster draws roughly 0.66 MW. Its hardware is estimated at $21M.
Epoch AI rates the certainty of this record as confirmed.