Why a 37% Citation Error Rate in Perplexity Sonar Pro Changed My Benchmarking Rules

https://www.livebinders.com/b/3698939?tabid=832fa6b6-886d-c247-10d7-743378e56a30

Perplexity Sonar Pro scored 37% citation errors in a focused independent test on 2026-02-20 The data suggests you cannot trust a single benchmark or a single headline metric when choosing a model for tasks that require reliable citations