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Musk’s Colossus 1 AI supercomputer’s inefficient mixed-architecture design couldn’t be used to train Grok, so Anthropic’s using it for inference instead — Musk readies unified Blackwell-only Colossus 2 for frontier training and potential IPO
SpaceX’s Colossus 1 supercomputer, with mixed GPU architecture, is being leased to Anthropic to address its compute bottlenecks, raising questions about efficiency.