We tracked model performance through the March 2026 update to see how well...

https://dibz.me/blog/perplexity-sonar-pro-citations-is-37-hallucination-the-best-we-have-1070

We tracked model performance through the March 2026 update to see how well systems handle factual grounding. This page presents our latest findings using the FACTS benchmark to measure accuracy. We found that top-tier models now achieve a 0