I have been very unimpressed by ChatGPT. The only production application I'm considering using it in is correcting grammar of a passage; anything more complicated than that it can get wildly wrong.

I do sometimes use it to figure out the name of a certain concept; it sometimes works for that when Google has failed. But I always have to double-check the term it gives me on Google to ensure it's a real term and it hasn't just hallucinated something.

This market resolves YES if I find GPT-4 to be useful for a task that I didn't find GPT-3 or ChatGPT useful for.

(If I find GPT-4 useful for a task, but then realize that GPT-3 could have done it perfectly well and I just hadn't thought to try it, that's still a NO.)