Mech interp, the musical: Neel Nanda shows off Opus 5.5's personalized AI art

NeelNanda5 · x · 2026-10-05

DeepMind researcher Neel Nanda used Claude Opus 5.5 to write, compose, and produce a song-and-video about the history of mechanistic interpretability — packed with niche community references and tailored to his personal tastes.

His takeaway: the era of personalized AI art is here, with a single model handling lyrics, music, and video. Follow-up links include the full code, Claude skills to reproduce it, and a cheatsheet of all the references.

Related event: DeepMind's Neel Nanda Creates Mech Interp Song with Opus 5.5, Open-Sources Everything(2 posts)→

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