DeepL Mercury is a large GPU cluster operated by DeepL, located in Sweden, in the private sector. It came online around August 2023. At that moment it ranked number 46 among known clusters.
It is built on 544 NVIDIA H100 SXM5 80GB. That amounts to about 544 H100e of AI compute. The cluster draws roughly 0.79 MW. Its hardware is estimated at $20M.
Epoch AI rates the certainty of this record as confirmed.