Prime Agent Coding Harness Tops ARC-AGI-3 with 95.5%, Beating Human Experts

lateinteraction · x · 2026-08-06

Prime Agent is a general-purpose coding harness. On the ARC-AGI-3 benchmark, it scores 95.5%, surpassing the human-expert baseline.

Notably, this performance gain is not benchmark-specific. When compared to their proprietary harnesses, major improvements are observed across multiple models using Prime Agent.

Related event: PrimeIntellect open-sources Prime Agent, scores 95.5% on ARC-AGI-3, beating human experts(40 posts)→

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