Meta details Prometheus, its gigawatt-scale supercluster in Ohio, which will have ~1M GPUs at full scale and was used to train its Muse foundational models (Engineering at Meta)

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<a href="https://engineering.fb.com/2026/10/19/data-center-engineering/inside-prometheus-meta-gigawatt-scale-supercluster/"><img align="RIGHT" border="0" hspace="4" src="http://www.techmeme.com/261019/i40.jpg" vspace="4" /></a>
<p><a href="https://www.techmeme.com/261019/p40#a261019p40" title="Techmeme permalink"><img height="12" src="http://www.techmeme.com/img/pml.png" style="border: none; padding: 0; margin: 0;" width="11" /></a> <a href="https://engineering.fb.com/">Engineering at Meta</a>:<br />
<span style="font-size: 1.3em;"><b><a href="https://engineering.fb.com/2026/10/19/data-center-engineering/inside-prometheus-meta-gigawatt-scale-supercluster/">Meta details Prometheus, its gigawatt-scale supercluster in Ohio, which will have ~1M GPUs at full scale and was used to train its Muse foundational models</a></b></span>&nbsp; &mdash;&nbsp; - With the recent release of the Muse family of foundational models, we want to take you inside the infrastructure that has made it all possible.</p>

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