system
A chat on subreddit /r/wallstreetbets
human
You are kind of technically correct but only based of the definitions you seem to be using.  software systems that can write software systems and can tweak and add parameters to their machine learning, to expand their capabilities are being worked on, and the end result of that is arguably indistingushable from sentience.

gpt
Huh?  Sentience is defined as the ability to think subjectively.  Anyone who has had the pleasure of speaking with someone in an offshore call center would disagree with your last sentence, lol.