binarybits: A 150 IQ drives no better than 120 — intelligence has diminishing returns per task

binarybits · x · 2026-11-14

binarybits argues that any given task requires a certain level/type of intelligence, but once you reach proficiency, additional intelligence adds little: a 150 IQ person drives about as well as a 120 IQ one. Using the child-vs-adult capability gap as an analogy, he pushes back on the notion that more intelligence always improves task performance — a counterpoint relevant to scaling debates.

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