127,833 real clinician queries show LLM benchmarks miss actual clinical use

NYU-OLAB · hf · 2026-10-13

An NYU-led team analyzed 127,833 queries from 6,342 clinicians across 35 specialties during an eight-month rollout of an institutional LLM assistant, using their RCQ-Map taxonomy. Documentation/administration (36.2%) and knowledge retrieval (28.9%) dominated, diagnosis was just 3.7%, and over a third of queries were poorly answerable as posed. Comparing against 58 public benchmarks (the Clinical AI Benchmark Atlas), the median benchmark contained zero documentation tasks and shared only 31% of the real-use task mix — below a uniform spread. Benchmarks designed to mimic clinical practice fared no better than frontier-report benchmarks. Benchmark scores thus say little about real-world clinical performance; evaluation should match actual usage.

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