In 2026, "hallucination rate" is a useless metric unless you define your...

https://multiai.news/ai-hallucination-in-2026/

In 2026, "hallucination rate" is a useless metric unless you define your yardstick. Benchmarks like Vectara HHEM and AA-Omniscience measure wildly different failure modes, from simple citation misses to complex reasoning errors