"Hallucination rate" is a slippery metric in 2026. If you measure against basic...

https://telegra.ph/Do-AI-models-use-words-like-definitely-more-when-hallucinating-05-18

"Hallucination rate" is a slippery metric in 2026. If you measure against basic tests like Vectara HHEM, performance looks stellar. But switch to rigorous sets like AA-Omniscience, and reality hits hard. Recent data shows a 30