ARC researcher: we understand far less than 0.01% of frontier LLMs' internal cognition

JacobHHilton · x · 2026-10-16

Jacob Hilton, a researcher at the Alignment Research Center, argues that our understanding of frontier language models' internal cognition is far below 0.01%, and that this fraction will keep shrinking without a foundational overhaul of the interpretability field — the very overhaul ARC is attempting. He adds that core difficulties from his earlier interpretability work on RL vision models at OpenAI remain wide open.

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