make a dynamic 15-second motion graphics video that shows what an incredible motion designer you are, like it's your showreel for a résumé. go all out.
Make it yours. Change "15-second" for the length, and "motion designer" and "showreel for a résumé" for another role and format, such as a title designer's reel. Keep "go all out." at the end.
Motion designer showreel, Opus vs Astra
Two 15-second motion-design showreels from the same one-line prompt, shown back to back: Claude Code with Opus 5.5, then Codex with GPT-6 Astra. Opus wrote its own Python renderer, added a Blender 3D shot unasked, and made the music itself.
“nothing here was made by a human except the short prompt from the post”
- Claude Code
- Codex
- Claude Opus 5.5
- GPT-6 Astra
- skia-python
- Blender
- Python
- One-shot
- 1h 32m
- $81 at API prices
You'll need
- Blender installed, if you want a 3D section like this one (Opus used it unprompted)
- A sample library or synth for similar audio (the creator's machine had 909/808 packs and Surge XT)
How it was made
Stock Claude Code on max reasoning with memory off and no skills or plugins; Codex got the same prompt on the same machine. The machine had a sample library (909/808 and free packs), Surge XT, VST effects, and a Blender MCP, but neither model was told to use them. Opus chose on its own to build a 3D section in Blender. It drew the 2D frames in skia-python, wrote a ~1,400-line Python script that sequences samples and a synth on a 128 bpm grid with 42 synced sound hits, and rendered 900 frames.
$81 at API prices for the Claude Code run, which the creator puts at about 3% of the weekly limit on a Max 20x plan.
Posted Sep 24, 2026 · X · 6.8k likes · 1.9M views · 138 comments
Prompt from: Post body, in quotes
Look notesby Reference
Two reels back to back, each opened by a title card naming the model. Opus's reel sits inside a thin HUD frame on near-black; Astra's is a lime-and-black portfolio deck with chrome 3D forms.
- Color
- Opus reel: near-black, tomato red, cobalt blue, and white. Astra reel: acid lime, black, and cream, with chrome highlights.
- Type
- Heavy grotesque display type in both. Opus repeats MOTION in blue-and-white bands with one red band and closes on a large CLAUDE. with a red dot, with small monospace HUD labels (128 BPM, 60 FPS). Astra stacks short headlines such as TYPE IN MOTION. and HIT THE BEAT.
- Framing
- Opus: a red ball on a thin baseline with dotted arc guides, a full-frame dot grid with a blue cross pattern, wall-to-wall type, and a split frame. Astra: headline on the left, a chrome object on the right, slide numbers and timecodes in the corners.
- Sound
- Music and sound design by Opus: a Python script that sequences samples and a synth on a 128 bpm grid, according to the creator.
- Structure
- Title card "Opus 5.5 Max 01 / 02", a squash-and-stretch study with a red ball, a dot-grid pattern, repeated MOTION type, a split frame, and a CLAUDE. end card reading "every frame of this reel is code."; then "GPT 6 Astra Max 02 / 02" and four headline slides: TYPE IN MOTION., FORM. WITHOUT LIMITS., HIT THE BEAT., I MOVE ATTENTION.
