MiniMax 宣布 M3.1 Flash 权重公开，总参数 428B、每 token 激活 23B，提供 Hugging Face 和 ModelScope 下载。
官方公布权重开放和关键基准分数，并说明稀疏注意力等效率设计，可据此评估其在智能体与编码任务上的性价比。
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
MiniMax M3.1 Flash: Space Performance + Bunny Speed 🚀🐰 Yes, Space Bunny - which has topped global leaderboards with 200T+ tokens - was an earlier version of M3.1 Flash. 💰Redefining the performance economics of agentic AI. M3.1 Flash achieves frontier-level intelligence across key tasks such as Cowork (Automation-Bench: 62%; ALE: 30%), Coding (DeepSWE: 74%) and Visual Reasoning (BabyVision: 91%), at 1/3 the cost of M3 and 3x the speed. API pricing (flat rate): $0.15 / $0.60 per 1M input/output tokens, with cache reads at $0.015 / 1M tokens. Model weights will arrive on Oct 23. API: http://platform.minimax.io M Plan: https://www.minimax.io/m-plan MiniMax Code for desktop: https://agent.minimax.io/download在 X 查看被引用的帖子
来源：MiniMax (official) · x.com