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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, leased to Anthropic, has an inefficient mixed-GPU architecture causing underutilization, impacting AI deployment strategies.