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"The model is no longer the product. Codex, Perplexity Computer, or Claude Code - all are orchestration system. It takes a model and pairs it with an agent harness. What is an agent harness ? The rules for how the agent loops around" - Aravind Srinivas

Rohan Paul

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119,107 views • 3 days ago •via X (Twitter)

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an OpenAI engineer just showed how he gets agents to do his whole job: code, debug and more, using loops 29 minutes from the engineer who coined "harness engineering" he writes the rules, agents write the code, a reviewer agent loops until it's right the winners won't have the smartest model, they'll have the best loop around it watch it, then read the full guide on loops below

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there's no way Claude Code/Codex are the final forms for agent interaction. here's an alternative: Actionpad, a notepad that takes action. take notes with nested bullets and markdown. and run any bullet as a prompt! backed by Codex rn, CC soon.

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