Prime Agent Coding Harness Aces ARC-AGI-3, Beating Human Experts

CShorten30 · x · 2026-08-06

PrimeIntellect has introduced Prime Agent, a general-purpose coding harness.

On the ARC-AGI-3 benchmark, the framework achieved a high score of 95.5%, surpassing the human-expert baseline. Notably, this performance gain is not benchmark-specific; the harness demonstrates major broad improvements across different models when compared to their proprietary harnesses.

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

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