GPTZero – an app to efficiently tell if an essay is ChatGPT or human written
GPTZero is ambivalent as to whether Sam Altman's latest blog post was or was not written by an AI (score: 39).
Edit: it also believes that Paul Graham's latest essay was probably AI-written, and that an English translation of "The Death of Ivan Ilych" was most likely written by a human.
More discussion here: https://news.ycombinator.com/item?id=34237756