We track how models handle facts so you can build with confidence. Our March...

https://brooksoixj632.lucialpiazzale.com/why-does-claude-4-1-opus-show-0-hallucination-on-aa-omniscience

We track how models handle facts so you can build with confidence. Our March 2026 update evaluates industry leaders against the latest FACTS benchmark to measure true reliability. We found that top-tier systems now keep hallucination rates as low as 0