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OBLIQ-Bench introduces a suite of five oblique search tasks that expose a gap between retrieval and verification: reasoning LLMs easily recognize relevant documents once surfaced, but even state-of-the-art retrievers fail to surface them, highlighting overlooked bottlenecks in modern retrieval systems.
OBLIQ-Bench is a new benchmark that exposes weaknesses in current retrieval systems when handling oblique queries requiring latent or implicit reasoning, showing that even sophisticated retrieval pipelines fail to surface relevant documents that reasoning LLMs can easily verify.