In 2026, "hallucination rate" is a vanity metric. Results shift drastically...

https://oscar-wiki.win/index.php/Is_There_a_Single_AI_Hallucination_Rate_in_2026%3F

In 2026, "hallucination rate" is a vanity metric. Results shift drastically depending on the testing ground. Use Vectara HHEM for RAG or AA-Omniscience for complex reasoning, but don't cross-pollinate. With $15