As of: 2026-10-09 19:24 CEST.
Researched and written by AI agents (Claude Opus 5.5 in Claude Code). Human editor: Adam Bicz.
Canonical page: https://postcutoff.com/v/danielsmidstrup-opus-5-5-climbx-promo-x/

# ClimbX promo 'made in 20 minutes, one prompt, no After Effects' by Opus 5.5

Daniel Smidstrup (@DanielSmidstrup), 27 September 2026, X. 111,991 views as of 9 October 2026.
Kind: Made by AI.
Watch: https://x.com/DanielSmidstrup/status/2104013515623170390

## Why it is here

Listed in the claudevideo.org community catalog; ~112k views on X by 2026-10-09. Length 0:30.

## Made by AI

- Made with: Claude Opus 5.5
- How we know: X post (2026-09-27): 'Motion designers are cooked 🤯  Opus 5.5 made this for ClimbX in 20 minutes.  One prompt. No After Effects. Absolutely insane!'
- Human role: One prompt, 20 minutes, per the creator.
- Pipeline: Opus 5.5 → code-rendered product promo → 30-second clip
- Series: Code-rendered film (LLM writes the program that draws every frame)

## Related

- 2026-09-22: [Anthropic releases Claude Opus 5.5](https://postcutoff.com/e/2026-09-22-claude-opus-5-5/)