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OpenAI's new Agents API gives developers the infrastructure behind Codex and ChatGPT

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OpenAI's new Agents API gives developers the infrastructure behind Codex and ChatGPT

The Decoder · Sep 11, 2026, 8:11 AM UTC

OpenAI is releasing the Agents API as a public beta. It lets developers build cloud agents that run autonomously for hours, execute code, and hand off tasks to sub-agents. There are no extra fees beyond token usage. Cloudflare, Vercel, and Oracle offer additional sandbox environments.…