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

https://wiki-aero.win/index.php/How_Do_I_Build_a_Layered_Verification_Workflow_for_AI_Outputs%3F

"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