Meta Prometheus

Meta uses Prometheus to train its Muse foundation models. The first phase is complete.

Meta Prometheus is a partly operational GPU cluster run by Meta in New Albany, Ohio, United States. 1,000,000 NVIDIA GB200 GPUs are planned; no installed count is published. Live power: 471 MW (Epoch AI estimate), 1,000 MW planned.

Big tech

Verified 11 Nov 2026

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Facts

Source per value

Owner / operator Organization that owns or operates the GPUs. Hosting and facility roles are listed under Partners.: Meta 1
GPU maker NVIDIA, AMD or Intel, taken from the GPU model.: NVIDIA 1
GPU model Accelerator model or family as disclosed. A GH200 is one GPU on a superchip; an MI300A is an APU that contains a GPU.: NVIDIA GB200 1
GPUs installed Physical GPUs in the cluster, from the operator or a deterministic sum of disclosed quantities (nodes × GPUs per node). Planned counts, H100-equivalents and unaudited press totals are never counted here.: Not published
GPUs planned Announced, contracted or target GPU count. Not evidence that the GPUs are installed.: 1,000,000 1
GPU count notes What the count covers (one partition, one site, a design limit), qualifiers and competing figures.: Hundreds of thousands currently; approximately one million is a future target. 1
Location City, region and country where the cluster sits. Empty when the operator does not name the site.: New Albany, Ohio, United States 1
Country Country of the cluster, taken from the location.: United States 1
Live power MW Power in service, in megawatts of IT load where the source says so. Company figures are marked in the notes; Epoch AI satellite estimates are labelled as estimates.: 471 2
Planned power MW Planned or contracted power at full build, in megawatts.: 1,000 3
Power notes Basis and date of the power figures, and who published them.: Meta announced about 1 GW for 2026. Epoch AI estimates 471 MW IT as of 31 Aug 2026. 1
Status operational = running and named as such by the operator or a primary source; partly operational = a phase is live and more is coming; under construction = building underway; announced = disclosed or contracted with no confirmed go-live.: partly operational 1
Operational since Month or year the source gives for the cluster going live (first phase for partly operational clusters). Empty when no date is published.: 2025-10 1
Status notes The source’s wording on status, with the date.: First phase complete and in use for Muse model training; expansion toward about 1 million GPUs continues. 1
Figures as of Date of the source disclosure behind the figures, where the source dates it.: 2026-10-19 1

Sources

engineering.fb.com accessed 2026-11-11
Epoch AI estimate: AI data centers dataset accessed 2026-11-11
Meta Engineering: infrastructure evolution and the advent of AI accessed 2026-11-11

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