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

https://wiki-mixer.win/index.php/Which_Benchmark_Should_You_Actually_Use_for_RAG_Pipelines_and_Enterprise_Search%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