By 2026, hallucination rates shift wildly depending on the benchmark you pick....

https://www.sierrabookmarking.win/in-2026-accuracy-is-relative-hallucination-rates-depend-entirely-on-the

By 2026, hallucination rates shift wildly depending on the benchmark you pick. Even with web search, top models see a 30.2% failure rate on HalluHard. Don't rely on averages