Musk: xAI's Colossus 2 to field 660k GB300 GPUs by end of year
rohanpaul_ai · x · 2026-09-26
Elon Musk detailed xAI's compute buildout on X: Colossus 1 holds 150k H100, 50k H200 and 30k GB200. Colossus 2 already runs 110k GB200 and 440k GB300, with another 220k GB300 fully operational next week, another 220k in November, and — if lucky — another 220k by late December, for up to 660k GB300 by year-end.
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