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
…xAI products increasingly feed into Musk’s wider platform strategy. The deal also hints at another possibility: Musk could be positioning SpaceX/xAI as more of an AI cloud infrastructure provider. That…