Easy Reasoning Tasks Top Models Failed 2 Years Ago Are Now Fully Saturated

s_batzoglou · x · 2026-09-09

Stefanos Batzoglou recounts designing thousands of reasoning problems solvable by eyeballing, on which top LLMs scored just 10% two years ago while planning his "LLMs can't reason" paper. All were saturated by end of 2025, and the field now eyes Navier-Stokes; he bets two years from now we'll be somewhere similarly different. This is the root tweet of his debate with Anshul Kundaje.

Related event: LLMs Went from Failing Simple Reasoning Tasks to Solving Them All in Two Years(3 posts)→

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