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Matrix digital rain · glm-5.3

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 (2377 bytes)
toolResult

Successfully wrote 2377 bytes to index.html

assistant

Done — `index.html` contains the full Matrix digital rain effect: - Full-screen black canvas, glyphs drawn in a monospace grid (16px columns) - Random katakana (plus digits/letters), refreshed every frame - Trailing fade via a translucent black overlay each frame - Bright white-green glowing leading character per column - Randomized column speeds and reset delays for organic flow - Resizes automatically with the window

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

modelglm-5.3
vendorZ.ai · GLM
harnesspi-agent
generated2026-08-28

EVALUATION

4/5 working

Classic Matrix digital rain with falling katakana columns and fading trails, animates continuously and consistently.

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 motion32.2%
on click30.7%
on drag28.6%
on wheel30.0%
frame spread16.9 / 255
console errors0
js errors none

METRICS

runtime35.9s
tokens in3.6k
tokens out811
cached1.4k
cost / run$0.0071