Why Kids Outlearn AI: The Data Efficiency Gap

AlisonGopnik · x · 2026-08-25

MIT Technology Review explores the massive gap in language learning between children and LLMs. LLMs require vastly more data—up to 100,000 times more words—than children to achieve fluency. This "data efficiency gap" challenges AI architects and cognitive scientists: how do kids learn so efficiently? Understanding this could lead to better models and insights into human development.

Related event: MIT Review: Children Learn Language Far More Data-Efficiently Than LLMs(2 posts)→

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