Codex CLI update: manage parallel agents in the terminal, one npm command to upgrade
OpenAIDevs · x · 2026-09-30
OpenAI summed up the Codex CLI refresh's core pitch: manage agents, keep parallel work moving, and talk through your next move with Codex, all in the CLI. Upgrade with npm install -g @openai/codex@latest. The linked ChatGPT Learn docs cover Codex CLI alongside the Responses API, background mode, multi-agent patterns, evals, fine-tuning, the Agents API, and hosted sandbox environments.
Related event: OpenAI Ships Major Codex CLI Update with Parallel Agent Management(2 posts)→
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