AI and compute economics
2026-04-26
11 minute read
15 sources
Compute behind a fence: US AI export controls in 2026
Four years of BIS rules have built a tiered global compute regime. The October 2022 baseline, the October 2023 patch, the December 2024 HBM and tooling rules, and the January 2025 AI Diffusion Framework now shape every chip flow worth tracking. DeepSeek R1 forced the harder question. Are the controls working.
United States chip export controls have moved from a narrow performance ceiling into a full architecture for who gets to compute at frontier scale. The October 7, 2022 BIS rule set the first thresholds. October 17, 2023 closed the H800 and A800 workaround. December 2, 2024 added high bandwidth memory and 24 wafer fabrication tools to the ...