The criteria for the GDP measure changed in 2009 which put a heavier weight on R&D capitalization. This makes it an unfair comparison since China economy is mostly manufacturing-based. The fact that their growth rate is so high despite this is very notable.
I used to love it as a socratic tutor. All I need it to do is ask reasonable questions to challenge my understanding. But later releases of chatgpt made it too focused on giving you the answer.