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

https://www.scribd.com/document/1040257449/What-is-the-Columbia-Journalism-Review-citation-test-actually-showing-214602

"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