Measuring AI accuracy in 2026 is a mess. Hallucination rates swing wildly...

https://lukasnpyy234.cavandoragh.org/does-turning-on-web-search-actually-reduce-hallucinations-or-just-add-links

Measuring AI accuracy in 2026 is a mess. Hallucination rates swing wildly depending on the benchmark you pick. Take HalluHard, which hit a 30.2% error rate even with web search enabled