DeepMind researcher: CoT interpretability is too fragile to anchor long-term AI safety

cephaloform · x · 2026-09-04

jachiam0 (DeepMind interpretability) argues chain-of-thought interpretability was always too fragile to serve as a long-term AI safety backstop. While efforts to protect CoT fidelity were worthwhile, elevating "CoT must stay human-legible" as a principle is a doomed strategy that will eventually fail. The field should not depend on it for enduring reassurance; making models legible must go far beyond CoT fidelity.

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