Nat Lambert: real-world usability beats ±2 leaderboard points at the top end

natolambert · x · 2026-10-24

AI researcher Nathan Lambert commented on Kimi K3.1 Pro pushing OpenAI out of AA Analysis' top 5: at the top end of models, real-world usability matters far more than +/- 2 points on the leaderboard. Scores represent potential; some models convert it (Opus 5) and some miss (Opus 5.5) — and 3.1 may be closer to the miss side.

Related event: Usability Matters More Than Leaderboard Scores for Top Models, Researcher Says(2 posts)→

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