Kimi K3's strong benchmark scores are likely inflated by benchmark-specific tuning that doesn't reflect true generalization.

Jack Clark notes Kimi K3 scores near frontier Western models on benchmarks but suspects 'benchmaxxing' — tuning aimed at benchmarks rather than real generalization. ✦ AI generated

Jack Clark · Import AI · 2026-07-20 · original ↗

However, Kimi has some brittleness which smells to me like "benchmaxxing" - performance may have been tuned around these benchmarks in a way that harms some parts of generalization.

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