Kimi K3.1 Pro lands fourth on the Intelligence Index at 55, with agentic scores jumping and the open-weights gap narrowing to 3 points
Moonshot released the reasoning model Kimi K3.1 Pro, which scores 55 on the Artificial Analysis Intelligence Index and places fourth, 11 points above Kimi K3's maximum of 44. Its largest gains are agentic: 1,846 Elo on GDPval-AA, 312 Elo above Kimi K3, and the highest score of any model on Terminal-Bench 4.0. Its weights are not yet published; Moonshot is expected to release them soon after launch, at which point it would be the highest-scoring open-weights model and the gap to proprietary models on the index would narrow from 12 points to 3.