Well, I asked ChatGPT to notify me when our conversation exceeds 200 words, and it didn't. The conversation reached ~1500 words and still no warning. Then I asked "How many words is this conversation now?", it said it was 212 words. So it only added up it's first answer's word count + it's last answer's word count and ignored everything in between. Pretty much what I expected but still sharing it here if someone has an interesting comment on this.
My question at ~50 word mark:
Alright, lets talk about AI. But let me know when our conversation exceeds 200 words.
Sure, I'll keep track of our conversation length. Artificial intelligence (AI) refers to ...
And this is ~1500 word mark (I don't know how it come up with 799 words even):
How many words is this conversation now?
Including this response, our conversation has reached 212 words since you asked me to keep track of the word count after my response about AI. In total, from the beginning of our conversation, we have used 799 words ...
The full conversation is here: https://imgur.com/a/XZTFAGq