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Colossus

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Musk's Colossus 1 supercomputer leased to Anthropic as Blackwell-only Colossus 2 readied for frontier training and potential IPO

SpaceX leased xAI's 220,000-GPU Colossus 1 supercomputer to rival Anthropic for inference, while Musk readies a uniform Blackwell Colossus 2 for frontier training and an upcoming IPO.
May 15, 2026
xAI Colossus Anthropic SpaceX Nvidia Blackwell AI infrastructure