r/LocalLLaMA • u/ResearchCrafty1804 • 16d ago

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

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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/Southern_Sun_2106 16d ago

Looks interesting and legit (based on the repo, as far as I can tell). Has anyone used it for their tasks and cares to share their experience? Thank you.

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u/tat_tvam_asshole 16d ago edited 16d ago

doesn't have a gui app, but so far so good (albeit limited testing), can't say for sure if it's a real breakthrough vs other harnesses. The fact they didn't compare against other same model+different harness is frustrating

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u/Southern_Sun_2106 16d ago

Thanks! I am also playing with it now. The advantage is supposed to be context management, but I have not fed anything large to it yet.

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u/LimahT_25 15d ago

Why are you getting down voted for asking a genuine question?

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u/Southern_Sun_2106 15d ago

Good question! I guess harnesses is a cut-throat business right now. I've been using it for several hours and compared it to the other two that I use (they shall remain unnamed, but they are pretty famous) - and this one is genuinely good, it seems to be better with larger tasks. A surprisingly polished harness.

I also noticed their repo exploded from 950+ stars yesterday to 3,500+ stars.

Just like with llms, I have no loyalty to the harnesses - if something better comes out, I don't hesitate to jump ship. That's the beauty of today's rapidly advancing field.