
五篇精选:Robust-U1 用三阶段自恢复框架让 MLLM 先修图再推理(HKUST,74 upvotes);FORT-Searcher 将捷径风险形式化为四类并合成抗捷径训练数据,SFT-only 达同规模开源 SOTA(RUC AIBox,71 upvotes);SWITCH 用一对边界 token 破解隐状态推理对 on-policy RL 不兼容的困局,MATH-500 达 79.3%;WeaveBench 揭示最强前沿 CUA 组合在混合接口长程任务上 PassRate 仅 41.2%,纯结果评分严重高估 Agent 性能(Microsoft,日榜 #3,94 upvotes);HarnessBridge 将 Harness 参数化,SWE-bench Verified 上匹敌专用手工接口层同时大幅压缩 token(UCLA)。

| 捷径类型 | 描述 |
|---|---|
| 证据共现覆盖(Evidence Co-coverage) | 多条证据指向同一实体,任一条就能作答 |
| 单线索选择性(Single-clue Selectivity) | 问题可由单一线索直接锁定答案 |
| 暴露常量(Exposed Constants) | 答案关键值在问题表述中已隐含出现 |
| 先验知识绑定(Prior-knowledge Binding) | 模型参数化记忆可直接召回答案,无需检索 |


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