GPUs and Utilitarianism — Throughput, Scarcity, and What the Metric Leaves Out
On Monday, January 27, 2025, Nvidia lost close to six hundred billion dollars of market value in a single session, the largest one-day loss any company had ever recorded. The cause was not a failed product or a scandal. It was good news about efficiency: a Chinese laboratory, DeepSeek, had published a model that matched the frontier while reporting a fraction of the usual training compute. If intelligence could be had for less hardware, the reasoning went, the world would need less hardware. Within hours Satya Nadella, whose company was spending tens of billions a year on GPUs, had posted a two-word diagnosis with a nineteenth-century name attached: “Jevons paradox strikes again!” …