He talked about it in Linus & Linus video. [https://youtu.be/mfv0V1SxbNA?si=bT14mmWqF3v-ZODL&t=1990]

"Also note that the python visualizer tool has been basically written by vibe-coding. I know more about analog filters -- and that's not saying much -- than I do about python. It started out as my typical "google and do the monkey-see-monkey-do" kind of programming, but then I cut out the middle-man -- me -- and just used Google Antigravity to do the audio sample visualizer."

[dupe] https://news.ycombinator.com/item?id=46569587