One important difference between animations/videos generated by Opus 5.5 and the stereotypical AI slop videos is that Opus 5.5 is not a video generation model: it generates and iterates the code and renders it, and there are various ways for it to do so.

The code for the infamous "I'm upping my p(doom)" video (https://www.youtube.com/watch?v=8j-hR4fJywU) is open-source and uses Processing: https://github.com/JohnHeibel/PDoomVideo