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Tomas Pueyo is a writer and creator of the Uncharted Territories newsletter on Substack.
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The Shape of AI: Jaggedness, Bottlenecks, and Salients
One Useful ThinganalysisneutralDec 22, 2025
AI exhibits a 'jagged frontier' where it excels at some tasks while struggling with others in ways that don't align with human intuition about task difficulty, and this jaggedness may persist even as overall AI capabilities improve, creating complementary work opportunities with humans.
“Posted viral image on X outlining vision of AI frontier growth outpacing jaggedness despite uneven capabilities.”
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