Think 3Blue1Brown-style video explainers (it uses the same OSS Manim engine underneath for the visuals: https://github.com/manimCommunity/manim) generated for any arXiv paper.
No, this isn't to replace paper reading entirely, but it's a great passive listen in the background while you're vibe-coding/tokenmaxxing/washing the dishes.
Here's one on the 2020 DDPM paper that popularized the Diffusion architecture: https://www.arxivmax.com/papers/2006.11239
For now it's completely free to use until I run out of tokens (thank Codex for having an insanely subsidized monthly token plan!)