Codex Sub-Agents: Parallel Processing Powerhouse Officially Launched!

product#agent🏛️ Official|Analyzed: Mar 18, 2026 21:15
Published: Mar 18, 2026 15:10
1 min read
Zenn OpenAI

Analysis

OpenAI's Codex sub-agent feature, enabling parallel execution of tasks through multiple specialized agents, has officially launched, marking a significant step in multi-agent systems. This innovative architecture allows for efficient task distribution, preventing context pollution and boosting overall inference quality. The official GA release follows a period of community feedback and rigorous beta testing, promising enhanced performance and reliability.
Reference / Citation
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"Codex sub-agents are a mechanism where a single parent Agent (orchestrator) generates multiple child agents and has them share work in parallel."
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Zenn OpenAIMar 18, 2026 15:10
* Cited for critical analysis under Article 32.