Epoch AI data: China's top models trail US frontier by 6.3 months, real gap closer to 8
deanwball · x · 2026-09-11
KonstantinPilz shares observations on the US-China AI gap, drawing on Epoch AI's Capabilities Index (ECI):
- Since 2025, the most advanced Chinese model has averaged 6.3 months behind the top US model on benchmarks; accounting for unreleased internal US models, the real gap is estimated near 8 months.
- Chinese AI progress depends heavily on US advances: there is evidence of industrial-scale distillation extracting capabilities from more capable US models, plus benefits from publications, researcher flows, and likely use of Claude Code and Codex to speed up R&D.
- US firms hold an enormous compute lead, projected to persist through end of 2026.
Context: Treasury Secretary Bessent said open-source AI is supported, but covert PRC distillation of American IP could trigger sanctions and Entity List designations. The ECI combines multiple benchmarks into a single general-capability score for long-timespan model comparison.
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