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News/Oracle Gap and Signal Fidelity: A Fixed-Pool Diagnostic for Test-Time Collaboration
arxiv
PublishedJuly 21, 2026 at 4:00 AM

Oracle Gap and Signal Fidelity: A Fixed-Pool Diagnostic for Test-Time Collaboration

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arXiv:2607.17531v1 Announce Type: cross Abstract: Test-time collaboration, including self-consistency, best-of-N selection, critic models, and verifier pipelines, is often credited with broadly improving LLM reasoning, yet its gains are uneven and sometimes negative. We ask when training-free collab

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