kapynInfrastructure

Inside Prometheus: Meta’s Journey to a Gigawatt-Scale Supercluster

Meta builds Prometheus, a gigawatt‑scale supercluster powering its Muse models. The first phase is finished, with plans to grow to roughly one million GPUs. Closed‑loop liquid cooling and other innovations keep the cluster efficient, enabling Meta to train and serve large foundation models at unprecedented scale.

Meta Engineering·Oct 19, 2026

Opening Kapyn…