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The Expensive-Loop Problem.

LessWrongAnalysis or commentary·
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A LessWrong post argues that LLMs excel at tasks with fast, deterministic and cheap feedback loops, which the author calls "cheap-loop" domains, and attributes this largely to the dynamics of LLM training.

Written by AI from LessWrong's published text.

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“LLMs are amazing at tasks where they have tight and legible feedback loops. Domains where experiments are quick, deterministic and cheap. I will call these domains "cheap-loop" domains. Presumably, this is mostly a result of the dynamics of LLM training.”
LessWrong, 12 Oct 2026, 17:27.

Interpretation or community commentary rather than straight reporting.

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