In 2026, AI "accuracy" is a mirage; hallucination rates swing wildly by test....

https://extra-wiki.win/index.php/Claude_vs_GPT:_Which_is_Better_for_Grounded_Document_Workflows%3F

In 2026, AI "accuracy" is a mirage; hallucination rates swing wildly by test. Compare Vectara HHEM against AA-Omniscience, and you'll see different risk profiles. With enterprise losses from inaccurate data hitting $84.2 billion, stop trusting vendor hype