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Matrix digital rain · gpt-4o-mini

Create the Matrix digital rain effect on a full-screen black canvas: columns of falling green katakana glyphs with a trailing fade and a brighter leading character.

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transcript · 4 messages
user

Create the Matrix digital rain effect on a full-screen black canvas: columns of falling green katakana glyphs with a trailing fade and a brighter leading character.

assistant
write index.html (1721 bytes)
toolResult

Successfully wrote 1721 bytes to index.html

assistant

The full-screen Matrix digital rain effect has been created and written to `index.html`. You can open this file in a web browser to see the effect in action.

TAKE IT TO CODE

A single self-contained HTML file — copy it and open in any browser, or reuse the prompt with your own pi-agent run.

RUN

modelgpt-4o-mini
vendorOpenAI
harnesspi-agent
generated2026-07-22

EVALUATION

4/5 working

Classic Matrix digital rain with green katakana columns, fading trails, and brighter leading glyphs; animates continuously, no interactivity.

Vision grade · anthropic/claude-sonnet-5

MEASUREMENTS

Raw readings from the capture, not a verdict — the grade above is the only judgement. Percentages are how much of the screen changed; the measure under-reports sparse motion on a dark background.

idle motion21.6%
on click19.0%
on drag19.4%
on wheel22.2%
on enter + space22.3%
on arrow keys20.5%
on w/a/s/d21.1%
frame spread8.9 / 255
console errors0
js errors none

METRICS

runtime10.1s
tokens in1.8k
tokens out582
cached1.0k
cost / run$0.0007