How Claude Opus 5.5 Made a Stop-Motion Docker Explainer in 38 Minutes

Someone on Reddit shared a prompt for making animated explainer videos with Claude. I tried it with a topic I know well, Docker containers. I pasted it into Claude Code, put in an API key for the voice and music models, and left my desk. When I came back, there was a finished 57-second film. Claude Opus 5.5 had written the script, drawn every frame in code, directed the narration, edited the music, synthesized the sound effects, mixed it all, rendered the video, and had it reviewed by a second model. The whole run took 38 minutes. The paid API calls cost $0.15. There are no image files in it. Every paper texture, torn edge, character, and prop is drawn by JavaScript on an HTML canvas. The film is good, but it wasn’t what impressed me most. That was the session log. The model cannot hear, and it cannot watch video. It still shipped a clean mix and caught two factual mistakes in its own draft, because it found a way to check every step. That is most of what this post is about. A model…