How TPU Ironwood Is Reshaping AI Infrastructure Economics

Anthropic's $21B partnership with Google and Broadcom signals a fundamental shift: power efficiency and vendor diversity now matter more than raw compute for AI infrastructure. With TPU Ironwood delivering 52% better power efficiency than Nvidia GPUs and supporting 9,000+ chip clustering—versus 72 for NVLink—the cost economics of large-model training are changing. For AI companies scaling to support exponential revenue growth, this validates a critical lesson: concentrating infrastructure on a single vendor is increasingly untenable.