I'm surprised to hear anyone finds these models trustworthy for research.
Just today I asked Claude what year over year inflation was and it gave me 2023 to 2024.
I also thought some sites ban A.I. crawling so if they have the best source on a topic, you won't get it.
Anytime you use LLMs you should be keenly aware of their knowledge cutoff. Like any other tool, the more you understand it, the better it works.