In 2026, “hallucination rate” isn't a single metric—it’s a moving target...

https://www.demilked.com/author/kevin-cooper01/

In 2026, “hallucination rate” isn't a single metric—it’s a moving target defined by your benchmark. Whether you’re testing against Vectara’s HHEM or the AA-Omniscience framework, results vary wildly based on testing rigor