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What is (and isn’t) gained by avoiding architectures with high opaque serial depth?

LessWrongAnalysis or commentary·
AI brief

A LessWrong post offers an operationalization of "opaque serial depth," a metric intended as a proxy for how much opaque serial cognition models can perform, and discusses what is and is not gained by avoiding architectures with high opaque serial depth.

Why it matters: It proposes a way to measure a property of model architectures that the post links to opaque serial cognition.

Written by AI from LessWrong's published text.

Source

“Here , we’ve given an operationalization of opaque serial depth, a metric designed to be a good (albeit imperfect) proxy for the amount of opaque serial cognition that models can perform.”
LessWrong, 17 Sept 2026, 23:52.

Interpretation or community commentary rather than straight reporting.

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