I'm not saying he is. And yeah sure, Hitler, Stalin, Mao ... those could also be seen as the antichrist. But they themselves were not religious, or at least not in a christian sense. Trump and his cronies trying to be seen as "christians" though is something else.
This is the article I was referring to btw: https://www.benjaminlcorey.com/could-american-evangelicals-spot-the-antichrist-heres-the-biblical-predictions/
I don't think names hold that much "information". It's a nice game to play but doesn't really mean anything, imho.
Nevertheless, Altman, as THE man related to AI might be important to fulfill the prophecy. But he is neither boastful, nor does he openly lie or deceive. It could be any tech billionaire then, don't you think? Why not Zuckerburg, who also invests heavily in AI?