Hallucination rates are vanity. A model may pass one test but hit 30% errors on...

https://www.random-bookmarks.win/in-2026-your-ai-s-hallucination-rate-isn-t-an-absolute-it-s-a-reflection-of

Hallucination rates are vanity. A model may pass one test but hit 30% errors on HalluHard. Because Vectara’s HHEM and AA-Omniscience measure facts differently, your yardstick is key