AI 导读
MiniMax 在 Hugging Face 和 ModelScope 公开 MiniMax M3.1 Flash 权重，总参数 428B，每 token 激活 23B。该模型即 OpenRouter 上的 "Space Bunny" 隐身模型，10 月 19 日发布，官方称其在智能体任务、编码和网络安全上有代际提升，BankerToolBench 76.2、DeepSWE v1.1 73.7%、OSWorld V2 61.7、CyberGym 82.2，并采用 MiniMax Sparse Attention 和 DSpark 投机解码提升推理效率。
推荐理由
开源权重附带多项 Agent 基准分数和推理效率设计，读者可据此评估其在智能体与编码场景的适用性。
正文
MiniMax has published MiniMax M3.1 Flash weights on HuggingFace.
> The model has 428B parameters total, 23B activated per token.
> MiniMax M3.1 Flash, also known as "Space Bunny" stealth model from OpenRouter, was announced on October 19 and is now available on MiniMax platform and APIs.
MiniMax M3.1 Flash weights are now public. 428B parameters total, 23B activated per token. Agentic performance: A generational leap in agentic tasks, coding, and cybersecurity — 76.2 on BankerToolBench, 73.7% on DeepSWE v1.1, 61.7 on OSWorld V2, 29.6 on Agents' Last Exam, and 82.2 on CyberGym. Efficient by design: MiniMax Sparse Attention and DSpark speculative decoding improve inference efficiency. Hugging Face: https://huggingface.co/MiniMaxAI/MiniMax-M3.1-Flash ModelScope: https://modelscope.cn/models/MiniMax/MiniMax-M3.1-Flash API: http://platform.minimax.io M Plan: https://minimax.io/m-planMiniMax MCode for desktop: https://agent.minimax.io/download在 X 查看被引用的帖子
来源：🚨 AI News | TestingCatalog · x.com