Moonshot AI releases Kimi K3.1 Pro, AA Intelligence Index rises to 55 points, ranking fourth
Moonshot AI has released Kimi K3.1 Pro, which rose from 44 points for Kimi K3 to 55 points on the Artificial Analysis Intelligence Index, ranking fourth and trailing Claude Opus 5.5's 58 points. The model retains the MoE architecture with 2.8 trillion parameters and 104 billion activated parameters, has a context window of 1 million tokens, and supports text, image, and video input. The success rate on Terminal-Bench 4.0 rose from 13% to 67%, API input and output prices are $2 and $10 per million tokens respectively, and the weights are scheduled for release on November 4.
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