Musk's AI Surprise: SpaceX Powers Anthropic, Trumps OpenAI?

Summary

Elon Musk's SpaceX is providing a massive compute boost to rival AI company Anthropic, a move that seems contradictory given Musk's past criticism and his own AI venture, XAI. Anthropic, which previously adopted a conservative approach to acquiring GPUs, has been struggling with compute limitations. This new partnership grants them access to all the compute capacity at SpaceX's Colossus One data center, totaling over 300 megawatts and 220,000 Nvidia GPUs, effective immediately. This influx of resources is already leading to doubled rate limits for Claude Code and the removal of peak hour reductions for Pro and Max plans, along with significantly increased API rate limits for Opus models. While the exact impact on subscription quotas remains unclear due to a lack of transparency, the deal addresses Anthropic's critical compute bottleneck. Meanwhile, SpaceX, which had excess capacity at Colossus One after moving its own training to Colossus 2, benefits by monetizing its underutilized infrastructure. This deal also raises questions about SpaceX AI's own plans and its potential acquisition of coding AI startup Cursor, which was also set to leverage Colossus infrastructure, suggesting Colossus 2 may now serve both XAI's new model and Cursor's development.