In 2026, "hallucination rate" is a hollow metric without context. Using Vectara...

https://iris-wiki.win/index.php/Vectara_HHEM_Hallucination_Rates:_Which_Models_Are_Lowest%3F

In 2026, "hallucination rate" is a hollow metric without context. Using Vectara HHEM versus AA-Omniscience yields wildly different realities. Ignoring this nuance is expensive; we are looking at $67