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arXiv — cs.AI preprintsInternational21 October 2026

When Health Assistants Agree Too Readily: A Benchmark of Time-Critical Self-Diagnosis

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arXiv:2610.27518v1 Announce Type: new Abstract: Every day, more than 40 million people ask ChatGPT a health question, such as whether laptop posture explains a stiff neck and days of pounding headache. Posture is plausible, but meningitis is a time-critical possibility. We introduce SelfDx, a paired benchmark for whether models have the appropriate response behavior, a form of epistemic independence, in health questions where misplaced agreement with the user's self-diagnosis could delay urgent or emergency care. Each of 100 pairs contrasts a caution case, where a serious alternative remains p
— arXiv — cs.AI preprints

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