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  "path": "/tech-industry/artificial-intelligence/musks-colossus-1-ai-supercomputers-inefficient-mixed-architecture-design-couldnt-be-used-to-train-grok-so-anthropics-using-it-for-inference-instead-musk-readies-unified-blackwell-only-colossus-2-for-frontier-training-and-potential-ipo",
  "publishedAt": "2026-05-15T10:08:57.000Z",
  "site": "https://www.tomshardware.com",
  "tags": [
    "Artificial Intelligence",
    "Tech Industry"
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  "textContent": "Anthropic has leased xAI’s entire 220,000-GPU Colossus 1 supercluster from SpaceX to ease Claude’s growing compute bottlenecks, in a deal that may reveal far bigger ambitions around AI infrastructure, orbital data centers, and Musk’s IPO strategy.",
  "title": "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"
}