Prime Agent achieves 95.5% on ARC-AGI-3 using persistent IPython kernel

CShorten30 · x · 2026-08-29

Prime Agent provides the model with a persistent IPython kernel as its sole tool, turning code execution into a real advantage for long-horizon tasks. This kernel allows programmatic calls to sub-agents, skills, search, and context management. On the public ARC-AGI-3 eval set, Prime Agent reached 95.5% with Opus 5.

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