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 can also properly optimize its software stack for a single hardware generation rather than trying to serve three simultaneously. According to the Mirae Asset report, xAI has already moved its core…