Moonshot AI releases Kimi K3.1 Pro, ranked fourth in benchmarks
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On October 24, 2026, The Decoder reported that Moonshot AI released Kimi K3.1 Pro. The model is a version of Kimi K3 with increased post-training compute. In the Artificial Analysis Intelligence Index benchmark, Kimi K3.1 Pro scored 55 points, ranking fourth, only 3 points behind the top-ranked Claude Opus 5.5 (58 points). Currently there is only one report on this event, with no further updates available.
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- The DecoderSelectedChinese AI model Kimi K3.1 Pro is closing in on Anthropic's Claude Opus 5.5
Moonshot AI released Kimi K3.1 Pro, a version of Kimi K3 with more post-training compute, scoring 55 on the Artificial Analysis Intelligence Index and ranking fourth, just 3 points behind Claude Opus 5.5 (58).
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