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Kimi K3.1 Pro shows largest personality shift from Kimi K3

AIArtificial Analysis reports that Kimi K3.1 Pro shows the largest personality change it has measured against a direct predecessor on AA-PersonalityBench. Across 30 traits, its percentile ranks moved by an average of 30 points from Kimi K3's, versus 23 for GPT-6 Sol to GPT-6.1 Sol, and 18 traits shifted 25 points or more.
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In AA-PersonalityBench, Kimi K3.1 Pro shows the biggest personality change we’ve seen compared to a direct predecessor

Each model is percentile ranked from 1 to 100 on each of 30 personality traits. Across all 30 traits, Kimi K3.1 Pro's ranks moved by an average of 30 points from Kimi K3's (next largest is 23, for GPT-6 Sol to GPT-6.1 Sol), and 18 of the 30 traits moved by 25 points or more.

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Original title: In AA-PersonalityBench, Kimi K3.1 Pro shows the biggest personality change we’ve seen compared to a direct predecessor

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China AIEvals & benchmarks

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