Alphabet's frontier-model effort is deteriorating quickly, and Jeff Dean's exit matters because he masterminded TPUs and Google's distributed systems, not only models. Google failed to foresee this year's demand and sold TPU capacity to Anthropic while its model teams lacked capacity, showing divisions that don't collaborate. Anthropic is now building ASICs directly with Broadcom and running its own infrastructure. TPU and infrastructure remain strong, but confidence in Google overall is lower. x.comÂ

