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AI Systems Hit Quality Ceiling at 95th Percentile While Experts Score 90% on Domain Questions

AI Systems Hit Quality Ceiling at 95th Percentile While Experts Score 90% on Domain Questions

Feb 18, 2026
Philipp D. Dubach - Finance, Tech & Strategy

AI systems reach a performance ceiling at the 95th percentile due to mathematical limitations, scoring just 37.5% on expert-level questions while human specialists achieve 90%, though human-AI collaboration delivers 40% higher quality results when experts can catch AI's frequent hallucinations.

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