https://app.humanornot.ai/
Pretty easy to spot them unless the other human is purposefully trying to resemble the AI.
Ę̵̚x̸͎̾i̴͚̽s̵̻͐t̷͐ͅe̷̯͠n̴̤̚t̵̻̅i̵͉̿a̴̮͊l̵͍̂ ̴̹̕D̵̤̀e̸͓͂t̵̢͂e̴͕̓c̸̗̄t̴̗̿ï̶̪v̷̲̍é̵͔
https://app.humanornot.ai/
Pretty easy to spot them unless the other human is purposefully trying to resemble the AI.
The late night crew seems to be more obvious, and the AI is pretty bad at answering questions.
It's only when the humans act like AI that it's tricky, rather than over AI talking like humans.