Comparing Incompatible Test Methodologies: Why "0% Hallucination" Claims Often Mean Nothing Useful

https://wiki-wire.win/index.php/How_an_Independent_Benchmark_Team_Turned_4-of-40_Models_Passing_Hard_QA_into_a_Majority_Win_by_March_2026

Which specific questions about model hallucination and testing will this article answer, and why do they matter? Many vendor claims read like simple scorecards: "Model X has 0% hallucination