In 2026, "hallucination rate" is a vanity metric unless you know which test was...

https://uniform-wiki.win/index.php/How_Do_I_Explain_to_My_Boss_That_%22Low_Hallucination%22_on_One_Test_Means_Nothing%3F

In 2026, "hallucination rate" is a vanity metric unless you know which test was used. Relying on a single percentage is dangerous because benchmarks like Vectara’s HHEM and AA-Omniscience measure fundamentally different types of failures