Musk reveals Colossus 2 hosts 110k GB200s, with 220k more GB300s landing next week

elonmusk · x · 2026-09-25

Elon Musk disclosed xAI's Colossus cluster scale and expansion timeline on X:

He also explained the odd 110k figure: it reflects the number of fiber optic cables that can plug into a central switch.

Related event: Musk Reveals xAI Compute Fleet: ~780K GPUs Across Colossus Clusters, Up to 1.44M by Year-End(11 posts)→

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