AI 导读
月之暗面（Kimi）发布 Kimi K3.1 Pro，为 2.8T 总参数、104B 激活参数的 MoE 多模态模型，支持 1M-token 上下文。官方称其基准表现与 Claude Opus 5.5、GPT-6 Astra 相当且明显更便宜，金融任务幻觉降低 65%；Kimi K3.1 Pro 与 2-3 倍速的 Highspeed 版已上线 Kimi.ai 和 API，开放权重将于 2026 年 11 月 4 日发布。
推荐理由
原文给出参数规模、基准表现和开放权重时间，读者可对比它与proprietary模型的成本差异。
正文
BREAKING 🔥: Kimi AI officially announced Kimi K3.1 Pro, a 2.8T total and 104B active params MoE open model.
On benchmarks, Kimi K3.1 Pro performs on par with leading AI models like Opus 5.5 and GPT-6 Astra, while being significantly cheaper.
Open weights are coming on November 4th as well!
Introducing Kimi K3.1 Pro: our most capable 3T-class open-weight model. 🔹 1M-token context, 2.8T total / 104B active params (MoE), Multimodal. 🔹 Full-project coding: games in Unreal, Unity & Godot. 🔹 Excels at parametric 3D modeling in Blender & CAD. 🔹 More reliable at finance work: Accurate modeling with hallucination down by 65%. 🔹 Matching the strongest proprietary models across coding, agentic and knowledge benchmarks. Kimi K3.1 Pro and K3.1 Pro Highspeed (2–3× faster) are now live on http://Kimi.ai, Kimi Work, Kimi Code, and the Kimi API. Open weights by Nov 4, 2026. 🔗 API: http://platform.kimi.ai 🔗 Tech blog: http://kimi.ai/blog/kimi-k3-1-pro在 X 查看被引用的帖子
来源：🚨 AI News | TestingCatalog · x.com