RAAC Controller Fixes Stagnation in Deep Research Agents

_reachsumit · x · 2026-08-18

Research reveals that Deep Research Agents often suffer from reasoning stagnation, continuing searches long after finding useful information. The paper introduces a Retrieval-Aware Agent Controller (RAAC) that uses unsupervised signals like search novelty to guide agent decisions. RAAC reduces search calls and improves accuracy on benchmarks like BrowseComp-Plus.

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