ARC-AGI-3 scaffolding, not new models, nearly doubled community leaderboard scores to 55.89% in four days after Tufa Labs' Duck harness went open-source. OpenAI's controlled experiment showed two ...
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ARC-AGI-3 gets open-source agent that writes Python world models instead of neural weights
A German academic research group today posted an open-source AI agent to arXiv that approaches ARC-AGI-3 — the interactive benchmark where frontier models including Claude Opus 5 still cannot reliably ...
The Windows version of the Python interpreter can be run from the command line the same way it’s run in other operating systems, by typing python or python3 at the prompt. But there’s a feature unique ...
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