All tests

Exhibit No. 001 · Animation

Pelican riding a bicycle

The most famous vibe check for new models, in its animated form: the pelican has to actually pedal.

Prompt

> Create a self-contained HTML file with a 2D SVG animation of a pelican riding a bicycle

What it tests

Drawing in code without seeing the result, plus motion that makes physical sense: wheels that roll, pedals that turn, legs that follow them.

Results

Verdicts are our own assessment of each answer.

Claude Opus 5.5

Pass
Run on 2026-10-19Open the raw answer
Test conditions

Single attempt per test, no retries and no edits afterwards. Run inside a Claude Code agent session, which includes its own system prompt, rather than the raw API.

All results for Claude Opus 5.5

Run it yourself

Paste the prompt into the model or agent you want to test. Save the answer as a .html file and open it in a browser.

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