Kimi K3.1 Pro brings a one-million-token context window
Artificial Analysis scored it 55, placing it fourth overall and first among open-weight models once released. Its GDPval-AA score rose 312 Elo points from Kimi K3 to 1,846, while Moonshot reports 65% fewer hallucinations on finance tasks. Open weights are scheduled for November 4, 2026.
Moonshot AI announced Kimi K3.1 Pro, its 3T-class multimodal open-weight model, with a one-million-token context window.
Artificial Analysis placed Kimi K3.1 Pro fourth on its Intelligence Index with a score of 55.
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