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

https://dibz.me/blog/facts-benchmark-scores-why-is-nobody-above-70-overall-1154

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