Epoch ECI chart: China's AI acceleration peaked at 36, US now leads at ~26

peterwildeford · x · 2026-11-10

Peter Wildeford shares how Epoch's ECI acceleration score has evolved: China's AI acceleration peaked around 36 in April 2025 — annotated as catch-up growth likely from distillation — before falling back to 10-14. The US climbed steadily from 8 in mid-2024 to 26 by late 2026, matching the recent US acceleration reported by METR. The chart shows the US and China alternately leading AI progress acceleration.

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