Beyond neurons to circuits: interpretability's next hurdle looks shaky

JacobHHilton · x · 2026-10-17

Jacob Hilton argues that full understanding requires going beyond neuron descriptions to explain how they connect into circuits. He examines attribution graphs—introduced in Anthropic interpretability's pair of papers, using "On the Biology of a Large Language Model" as his example—and finds that progress toward genuine circuit-level understanding is not looking good.

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