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News/Where Do Deep-Research Agents Go Wrong? Span-Level Error Localization in Agent Trajectories
arxiv
PublishedJune 3, 2026 at 4:00 AM

Where Do Deep-Research Agents Go Wrong? Span-Level Error Localization in Agent Trajectories

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arXiv:2606.02060v2 Announce Type: replace Abstract: Deep-research agents solve tasks through long trajectories of search, tool use, evidence inspection, and answer synthesis. Evaluation based on final answers shows whether an agent succeeds, but not which parts of the trajectory make the answer unre

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