SberCloud Christofari Neo is a large GPU cluster operated by SberCloud, located in Russia, in the private sector. It came online around November 2021. At that moment it ranked number 45 among known clusters.
It is built on 792 NVIDIA A100 SXM4 80 GB. That amounts to about 250 H100e of AI compute. The cluster draws roughly 0.68 MW. Its hardware is estimated at $33M.
Epoch AI rates the certainty of this record as confirmed. SberCloud, which owns this supercomputer, was originally owned by Sber, but was sold off to Noviye Vozmozhnosti in March 2022 Sberbank is majority owned by the Russian Government.