The history of dinosaurs in under a minute, drawn in JavaScript
Author’s claim: Claude Sonnet 5.5 · not verified by us
About the post
A 47-second animated history of dinosaurs. The creator says Sonnet 5.5 drew every frame in JavaScript.
Our summary. The author’s own words are in the post above; we do not copy them.
Prompt
The author has not published the prompt (checked Sep 29, 2026).
What we know
- Model
- Claude Sonnet 5.5 (author’s claim)
- Posted
- Sep 28, 2026
- Length
- Not known
- What we checked
- Post checked on September 29. Kevin Ngo is also quoted by Anthropic on the Sonnet 5.5 launch page; no code or prompt is published.
- Longer write-up
- Read our notes on this work
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