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

https://wiki-velo.win/index.php/Sycophancy-Induced_Hallucination_Rates_Range_from_22%25_to_94%25:_How_Is_That_Tested%3F

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