Benchmark accuracy results are all over the map this year. We analyzed the...

https://travispyuj085.raidersfanteamshop.com/the-illusion-of-provenance-dissecting-the-citation-failures-of-perplexity-and-copilot

Benchmark accuracy results are all over the map this year. We analyzed the latest 2026 data to explain why rates vary so widely between tests. Most notably, HalluHard now hits 30.2% even with web search enabled