In 2026, "accuracy" is a variable, not a constant. Hallucination rates swing...

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

In 2026, "accuracy" is a variable, not a constant. Hallucination rates swing wildly between benchmarks like Vectara HHEM and AA-Omniscience. This inconsistency is why enterprises still lose an estimated $67.4 billion annually to unreliable model outputs