Kimi K3.1 Pro clusters with GPT-6 family while Kimi K3 groups with GLM-5.3 and Claude
ArtificialAnlys · x · 2026-11-03
With Kimi K3 added to the default model set, clustering shows Kimi K3.1 Pro now sits in a different personality family from its predecessor: Kimi K3 is most similar to GLM-5.3 and Claude Fable 5.1, while K3.1 Pro clusters with GPT-6.1 Sol and GPT-6 Astra.
The dendrogram over 41 models yields 5 clusters — a single version bump moved the model to another family.
Related event: AA Bench: Kimi K3.1 Pro Shows Largest Personality Shift on Record(4 posts)→
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