Creator-reported video

The history of dinosaurs in under a minute, drawn in JavaScript

A 47-second animated history of dinosaurs. The creator says Sonnet 5.5 drew every frame in JavaScript.

The Frontier Brief · Editorial analysis Reviewed 2026-09-29

Creator video / source-hosted

Watch the 47-second animation at its source
Note the claim: every frame drawn in code
Ask for the code before treating it as a template

Watch original creator video (opens in a new tab)

Video stays on the creator’s original post · our map is not the footage

What the original shows

A short, narrated-style animation that moves through the age of dinosaurs. The creator states that Sonnet 5.5 generated the frames as JavaScript drawing code rather than using a video model.

Supporting documentation (opens in a new tab)

What remains unverified

No code, prompt, iteration count or editing details are published. The creator also appears as a quoted early tester on Anthropic’s launch page.

Use the same checks on another demo.

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