Kimi K3.1 Pro Breaks Into the Top Five as Open Models Close the Agentic Gap

Moonshot AI's latest model ranks fourth overall on the Artificial Analysis Intelligence Index, while an open 33B model leads on agentic coding.

The open-versus-closed race took a measurable step this week. Moonshot AI's Kimi K3.1 Pro scored 55 on the Artificial Analysis Intelligence Index, landing fourth overall, according to @MisterSnowCrash and @daogangtang. The arrival coincided with the debut of GPT-6.1 Terra, placing two significant model releases in the same news cycle.

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