OpenAI Codex developer Eric Provencher warns that running more than two parallel sub-agents almost always burns tokens without improving quality because agents don't trust each other and end up double-checking everyone's work. He calls this the "coordination tax" and points to a project where 1,393 agents spent $20,000 in tokens on a single Python refactoring that one Astra agent could have handled for a fraction of the cost.

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Keep your apps looking professional with Claude Code design skills

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Learn where which coding agent is best

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A hands-on guide to defining specialist agents and coordinating their work in the Codex CLI

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Understanding Codex hooks

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Turning Codex from an interactive assistant into a programmable automation component

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Understanding Codex hooks

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Turning Codex from an interactive assistant into a programmable automation component

The post Running Codex as a Headless Agent appeared first on Towards Data Science.

Improve your proficiency with Claude Code.

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