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Matrix digital rain · gpt-4.1-nano

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 · 7 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
read {"path":"index.html"}
write index.html (0 bytes)
toolResult

ENOENT: no such file or directory, access '/tmp/ws/index.html'

toolResult

Successfully wrote 0 bytes to index.html

assistant

Let's create the full HTML file for the Matrix digital rain effect with a full-screen black canvas, green katakana glyphs, trailing fade, and brighter leading characters. I'll prepare the complete self-contained code now.

write index.html (2020 bytes)
toolResult

Successfully wrote 2020 bytes to index.html

assistant

I have created a complete `index.html` file for the Matrix rain effect. You can open this file in a browser to see the green katakana glyphs falling with trailing fading and a brighter leading character. Would you like to see the file contents or need further customization?

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-4.1-nano
vendorOpenAI
harnesspi-agent
generated2026-08-01

EVALUATION

4/5 working

Classic Matrix digital rain with falling green glyphs and fading trails, animates continuously but no interactive response.

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 motion16.4%
on click21.8%
on drag21.7%
on wheel21.6%
on enter + space21.6%
on arrow keys21.7%
on w/a/s/d21.4%
frame spread13.7 / 255
console errors0
js errors none

METRICS

runtime8.5s
tokens in4.5k
tokens out995
cached2.2k
cost / run$0.0007