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Foundation models are becoming remarkably reliable at high-level reasoning, yet they remain too slow and costly to serve as fine-grained controllers. Conversely, fast policies like VLAs and whole-body controllers offer more efficient reflexes, but struggle to generalize. While pairing a deliberative brain (foundation m
阅读原文 · Pengfei Zhou, Yixing Ma, Zhengfeiyang Zhang, Haoyuan Chen, Zhenglin Wan, Hexin Wang, Wangbo Zhao, Yang You
向阳乔木 · opencode-go/deepseek-v4.1-flash
基础模型做高层推理越来越靠谱,可一旦让它当细粒度控制器,速度和成本立刻成了硬伤。反过来,VLA 和全身控制器这类快策略反应够快、成本够低,泛化能力又跟不上。 把“慢思考的大脑”和“快反射的小脑”拼在一起,直觉上很自然。麻烦在于两件事:各家方法搭在不兼容的栈上,没法公平比较;异步协调本身也很难写对。摘要里举了两个典型翻车场景,一个是 Agent 在循环里调用...