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Conway's Game of Life · mistral-large-4-0

Output saved · Stopped by an API error Cost / run $0.0284 Runtime 127.1s

A model request failed and its retries ran out. The output is the HTML saved before that.

Prompt for this run

Build Conway's Game of Life on a canvas with a 60 by 40 grid and finite, non-wrapping boundaries. Use HTML, CSS, and JavaScript as needed. Write it to `index.html` in the current working directory using your file tools. Inline your own CSS and JavaScript. Do not use external assets, CDNs, or network requests. No third-party libraries are provided. Required behavior: - Apply the standard rules simultaneously: a live cell survives with two or three live neighbors, and a dead cell becomes live with exactly three. Treat cells outside the grid as dead. - Start paused with a visible blinker pattern. Provide Play/Pause, Step, Randomize, and Clear, plus a generation counter. - While paused, clicking toggles a cell. On a drag, choose painting alive or dead from the first cell and apply that same state to each visited cell, without repeatedly toggling it. - Step advances exactly one generation while paused. Randomize and Clear leave the simulation paused and reset the generation counter; Clear removes all live cells. - Fit the grid and controls within the viewport while keeping cells distinguishable. Verify: Step the initial blinker twice and compare its alternating arrangements. Paint a short stroke while paused and check consistent cell painting, then use Clear and confirm the grid and generation counter reset.

⛨ sandboxed Open in new tab ↗

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

modelmistral-large-4-0
vendorMistral AI
harnesspi 0.87.1 · browser iteration
generated2026-10-06

METRICS

runtime127.1s
tokens in33k
tokens out3.0k
cached1.0k
cost / run$0.0284
Transcript · 16 messages
system

user

Build Conway's Game of Life on a canvas with a 60 by 40 grid and finite, non-wrapping boundaries. Use HTML, CSS, and JavaScript as needed. Write it to `index.html` in the current working directory using your file tools. Inline your own CSS and JavaScript. Do not use external assets, CDNs, or network requests. No third-party libraries are provided. Required behavior: - Apply the standard rules simultaneously: a live cell survives with two or three live neighbors, and a dead cell becomes live with exactly three. Treat cells outside the grid as dead. - Start paused with a visible blinker pattern. Provide Play/Pause, Step, Randomize, and Clear, plus a generation counter. - While paused, clicking toggles a cell. On a drag, choose painting alive or dead from the first cell and apply that same state to each visited cell, without repeatedly toggling it. - Step advances exactly one generation while paused. Randomize and Clear leave the simulation paused and reset the generation counter; Clear removes all live cells. - Fit the grid and controls within the viewport while keeping cells distinguishable. Verify: Step the initial blinker twice and compare its alternating arrangements. Paint a short stroke while paused and check consistent cell painting, then use Clear and confirm the grid and generation counter reset.

assistant
→ write /tmp/job-6rSrc5/index.html (7568 bytes)
toolResult

Successfully wrote to /tmp/job-6rSrc5/index.html

assistant
→ browser {"action":"inspect"}
toolResult

Frame 1, +0ms

[Browser image supplied to model]

{"console":["warning: An iframe which has both allow-scripts and allow-same-origin for its sandbox attribute can escape its sandboxing."],"dom":"Conway's Game of Life\nPlay\nStep\nRandomize\nClear\nGeneration: 0","images":"attached"}

assistant

Initial state looks good: paused, blinker visible, Generation: 0. Now let me verify the blinker oscillation by stepping twice. I'll click Step and take screenshots.

→ browser {"action":"click","x":400,"y":74}
→ browser {"action":"screenshot"}
toolResult

Frame 1, +0ms

[Browser image supplied to model]

{"console":["warning: An iframe which has both allow-scripts and allow-same-origin for its sandbox attribute can escape its sandboxing."],"dom":"Conway's Game of Life\nPlay\nStep\nRandomize\nClear\nGeneration: 0","images":"attached"}

toolResult

Frame 1, +0ms

[Browser image supplied to model]

{"console":["warning: An iframe which has both allow-scripts and allow-same-origin for its sandbox attribute can escape its sandboxing."],"dom":"Conway's Game of Life\nPlay\nStep\nRandomize\nClear\nGeneration: 0","images":"attached"}

assistant

The click didn't register — generation still 0. The Step button is at approximately x=400, y=74 based on the screenshot. Let me try clicking again, maybe the coordinates need adjustment. The Step button appears centered around x=400, y=74. Let me try clicking with slightly different coordinates or check the DOM.

→ browser {"action":"click","x":401,"y":73}
→ browser {"action":"screenshot"}
toolResult

Frame 1, +0ms

[Browser image supplied to model]

{"console":["warning: An iframe which has both allow-scripts and allow-same-origin for its sandbox attribute can escape its sandboxing."],"dom":"Conway's Game of Life\nPlay\nStep\nRandomize\nClear\nGeneration: 0","images":"attached"}

toolResult

Frame 1, +0ms

[Browser image supplied to model]

{"console":["warning: An iframe which has both allow-scripts and allow-same-origin for its sandbox attribute can escape its sandboxing."],"dom":"Conway's Game of Life\nPlay\nStep\nRandomize\nClear\nGeneration: 0","images":"attached"}

assistant

The click still isn't registering — generation stays at 0. The button coordinates might be off. Looking at the screenshot, the Step button is at approximately x=400, y=74 in the 1200x800 viewport. But the clicks aren't working. Maybe the browser tool's click isn't hitting the button, or there's an issue with the event listener. Let me try a different approach — use the `type` action or try clicking at slightly different coordinates. Actually, let me first check if the button exists and try clicking with different coordinates. The Step button in the screenshot appears to be around x=400, y=74. Let me try x=399, y=73 or similar. Actually, wait — maybe the issue is that the click is happening but the DOM snapshot is taken before the update. Let me try clicking and then inspecting separately.

→ browser {"action":"click","x":400,"y":74}
→ browser {"action":"inspect"}
toolResult

Frame 1, +0ms

[Browser image supplied to model]

{"console":["warning: An iframe which has both allow-scripts and allow-same-origin for its sandbox attribute can escape its sandboxing."],"dom":"Conway's Game of Life\nPlay\nStep\nRandomize\nClear\nGeneration: 0","images":"attached"}

toolResult

Frame 1, +0ms

[Browser image supplied to model]

{"console":["warning: An iframe which has both allow-scripts and allow-same-origin for its sandbox attribute can escape its sandboxing."],"dom":"Conway's Game of Life\nPlay\nStep\nRandomize\nClear\nGeneration: 0","images":"attached"}

assistant