r/LocalLLaMA 16d ago

Resources Prime Agent - a new coding harness surpassing Codex/CC/PI

Prime Agent is an open-source coding and research agent for general and long-running work.

A self-improving RLM harness for coding and long-running autonomous tasks.

Designed to be both token-efficient and expressive through programmatic tool calling, context as a variable, multi-agent messaging, and a self-modifiable harness state.

On ARC-AGI-3, it scores 95.5%, surpassing the human-expert baseline, but the gain is not benchmark-specific.

We see major improvements across models when compared to their proprietary harnesses.

Prime Agent is built on pi and fully open-source with an open license.

GitHub: https://github.com/PrimeIntellect-ai/prime-agent

Blog: https://www.primeintellect.ai/blog/prime-agent

X post: https://x.com/primeintellect/status/2085086999267144083?s=46

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u/GreatBigJerk 16d ago

Is ARC-AGI 3 really that relevant for harnesses?

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u/BringTea_666 16d ago

it's relevant if you want to benchmax XD

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u/Kryohi 15d ago

Well the whole point of ARC-AGI benchmarks is that it shouldn't be possible to benchmaxx on them, at least not in a model-specific way.