Making a motion design short with an Opus 5.5 and Sonnet 5.5 loop
The author shows an automated loop where Opus 5.5 plans the storyboard, Sonnet writes each scene as code, a headless browser renders the frames, and Opus reviews its own contact sheet, shipping after three iterations with zero keyframes.
Opus 5.5 is f*cking crazy. This level of motion design took a whole department a year ago. Now it's one brief and a loop: Opus 5.5 plans the storyboard Sonnet writes every scene as code a headless browser renders the frames Opus reads its own contact sheet and circles what's wrong Jev decides: fix or ship v1 had 4 flaws. v2 had 1. v3 shipped. 0 keyframes. Nobody touched a timeline. The "one prompt" motion videos you're seeing aren't one prompt. They're this loop. Try it yourself, then check out the full breakdown on agents, loops and graphs
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