In 2026, "hallucination rate" is a vanity metric unless you know the test....

https://record-wiki.win/index.php/GPT-5.2-thinking_with_web_search_at_38.2%25_-_is_web_search_overrated%3F

In 2026, "hallucination rate" is a vanity metric unless you know the test. Relying on generic benchmarks is a mistake in regulated sectors