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Arpeggiator pad · gpt-4o-mini

Using the pre-provided tone.min.js (global Tone), build a clickable pentatonic pad grid that triggers a synth voice with reverb, plus a play/stop button that runs an arpeggiator sequence at an adjustable tempo. All sound synthesized, no audio files.

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user

Using the pre-provided tone.min.js (global Tone), build a clickable pentatonic pad grid that triggers a synth voice with reverb, plus a play/stop button that runs an arpeggiator sequence at an adjustable tempo. All sound synthesized, no audio files.

assistant
write index.html (3203 bytes)
toolResult

Successfully wrote 3203 bytes to index.html

assistant

The single-page web app has been created successfully. You can find it in the file named `index.html`. It features a clickable pentatonic pad grid, which triggers a synth voice with reverb, as well as a play/stop button to run an arpeggiator sequence at an adjustable tempo.

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

3/5 working

Minimal pentatonic pad grid with play/stop and tempo slider, click and keyboard focus highlight pads correctly.

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 motion0.0%
on click1.1%
on drag1.1%
on wheel1.1%
on enter + space0.3%
on arrow keys4.5%
on w/a/s/d0.0%
frame spread20.4 / 255
console errors0
js errors none

METRICS

runtime11.1s
tokens in1.3k
tokens out1.0k
cached2.0k
cost / run$0.0010