Chinese AI model Kimi K3.1 Pro is closing in on Anthropic's Claude Opus 5.5 Matthias Bastian View the LinkedIn Profile of Matthias Bastian Oct 23, 2026 Moonshot AI Key Points Chinese AI company Moonshot AI has released Kimi K3.1 Pro, which jumped to fourth place on the Artificial Analysis Intelligence Index with 55 points, just behind Claude Opus 5.5. The model shows major gains in agentic tasks, coding, and 3D modeling. The parameter count stays at 2.8 tr