ARC / HUMAN is an independent, unofficial arena.

FT09 source: ARC Prize Foundation, version ft09-0d8bbf25.
Source mirror: https://github.com/shloksah/arc-agi-3-agent/tree/master/environment_files/ft09/0d8bbf25
The full MIT notice is preserved in ft09.py.

Engine: arcengine 0.9.3
https://github.com/arcprize/ARCEngine
SHA256: 5f9739d6d0055780a4581fd6fe09066bb08775c4c8212c9adcca2eb008aef59c

MIT License

Copyright (c) 2026 ARC Prize Foundation

Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:

The above copyright notice and this permission notice shall be included in all
copies or substantial portions of the Software.

THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
SOFTWARE.

Public AI records: https://arcprize.org/replay/ (source URLs included in every record).
Only game frames, actions, and timestamps are retained. Model reasoning is excluded.
Timing is recorded wall-clock duration, including harness/model waits, not model-only inference time.

Pyodide 0.27.4 is loaded from jsDelivr. https://github.com/pyodide/pyodide (MPL-2.0).