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

https://highstylife.com/is-multi-model-checking-worth-it-if-gemini-gets-contradicted-51-4-of-the-time/

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