Moonshot 发布 Kimi K3.1 Pro，逼近 Claude Opus 5.5
原标题：Chinese AI model Kimi K3.1 Pro is closing in on Anthropic's Claude Opus 5.5
AI 摘要
中国 AI 公司 Moonshot AI 发布 Kimi K3.1 Pro，在 Artificial Analysis 智能指数上以 55 分升至第四名，仅落后榜首 Claude Opus 5.5 三分。该模型在智能体任务、编程和 3D 建模上提升显著，参数量维持 2.8 万亿但 API 价格下降 33%，并计划在 2026 年 11 月前开放模型权重。若如期开源，它将成为得分最高的开放权重模型，把开源与闭源模型的差距从 12 分缩小到 3 分。
正文节选
Chinese AI model Kimi K3.1 Pro is closing in on Anthropic's Claude Opus 5.5 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 trillion, but API prices drop by 33 percent. Moonshot plans to release the model weights by November 2026. Moonshot AI's new