Hallucination rates in 2026 aren't universal; they depend on your benchmark....

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

Hallucination rates in 2026 aren't universal; they depend on your benchmark. Whether using Vectara HHEM or AA-Omniscience, results vary by 28% depending on the test design. Don’t trust aggregate scores—they often hide critical failures