Meta completes first phase of Prometheus gigawatt-scale supercluster
Meta said the first phase of Prometheus, its gigawatt-scale AI supercluster, is complete, and it is working to scale the cluster to roughly 1 million GPUs. The company said Prometheus also uses technologies including closed-loop liquid cooling, and that the infrastructure supports its recently released Muse family of foundational models.
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“The first phase of Prometheus, our gigawatt-scale supercluster, is already complete and we’re working toward scaling it to comprise ~1 million GPUs.”
Summary last validated Oct 19, 2026
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