Where Is The Compute?

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Cluster scale: one square = 10,000 GPUs

Largest AI clusters by GPU count; one square = 10,000 GPUsColossus 2: 550,000 GPUs deployed + 440,000 announced; Prometheus: “hundreds of thousands” deployed (no exact count); ~1,000,000 target; Colossus 1: over 220,000 GPUs (floor)Colossus 2SpaceXAI · Memphis550,000 deployed+440,000 announcedPrometheusMeta · New Albany, OHdeployed: not disclosed~1,000,000 targetColossus 1SpaceXAI → Anthropicover 220,000floor (“over”)1 square = 10,000 GPUs (not H100e) · blue = deployed · green = announced · dashed = target · arrow = “over”
GPU counts, not H100e, as reported by operators. Prometheus’s deployed count isn’t published, so only its ~1M target is outlined. Colossus 1 is a floor (“over 220,000”).
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Largest clusters (GPU count)
ClusterReportedAs ofConfidenceSource
Colossus 2550,000 GPUs deployed + 440,000 announced2026-10-01operator-reported count (not an independent audit)State of AI Report Compute Index (Nathan Benaich, Air Street Capital) — “Who has the largest GPU cluster in this index?” (2026-10-01)
Prometheus“hundreds of thousands” deployed (no exact count); ~1,000,000 target2026-10-19operator-reported: 'hundreds of thousands' deployed (no exact count); ~1M GPU targetMeta Engineering — “Inside Prometheus: Meta's Journey to a Gigawatt-Scale Supercluster” (2026-10-19)
Colossus 1over 220,000 GPUs (floor)2026-05-06company-stated floor ('over 220,000 NVIDIA GPUs', >300 MW)Anthropic — “Higher usage limits for Claude and a compute deal with SpaceX” (2026-05-06)

Sources: State of AI Report Compute Index (Nathan Benaich, Air Street Capital), “Who has the largest GPU cluster in this index?” (2026-10-01); Meta Engineering, “Inside Prometheus: Meta's Journey to a Gigawatt-Scale Supercluster” (2026-10-19); Anthropic, “Higher usage limits for Claude and a compute deal with SpaceX” (2026-05-06)

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