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

https://www.toro-bookmarks.win/in-2026-ai-reliability-isn-t-a-fixed-number-it-is-entirely

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