Sonnet 5.5 built a 30 s motion-graphics reel. Same as Opus 5.5 quality, but 2x cheaper.

Video attached. Everything in it is code: canvas frames drawn in headless Chrome, piped to ffmpeg, with a numpy-synthesized soundtrack. No editor, no stock footage, no video model. The prompt, in an empty folder, on Sonnet 5.5 with ultracode on: >make a dynamic 30-second motion graphics video about Reddit that shows what an incredible motion designer you are. and not too fast, people should actually understand what the video is about. **How the Workflow tool was used for the 30 s cut:** * 5 builder agents, each owning exactly one scene file, told not to touch the shared files (timing table, compositor, lib). I did those edits myself while they ran. * 5 independent reviewer agents, told not to edit anything. They rendered contact sheets, read the PNGs, and returned a structured defect list (severity, beat, suggested fix). * 4 fixer agents ran only where a reviewer said "fix". The fifth shot got "ship" and skipped that stage. That was a `pipeline()` with a condition, so each shot…