删context省token反被cache吃回 (opens in new tab)

删context省下的token钱,可能被cache失效反吃回去 :长会话agent的减负直觉是剪掉旧文本,但TokenPilot指出无约束改写会动到prefix布局、触发prompt cache失效,真正的权衡是「文本稀疏vs cache连续性」两根轴|AI论文简报

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