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OpenAI launches Agents API public beta built on Codex harness

This story is from 2026-09-10. It is preserved in the archive; the latest stories are on the live feed.

OpenAI launched the Agents API in public beta on September 10. It lets developers create cloud agents by supplying a task, model, tools, and compute environment in one API call. OpenAI hosts the harness, while the agent can run in an OpenAI sandbox, on the developer's own infrastructure, or with pa…

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Timeline · 2 reports

  1. 2026-09-10 21:21 · MarkTechPost
    OpenAI Launches the Agents API in Public Beta, Putting the Codex Harness Behind One API Call
  2. 2026-09-10 19:46 · r/artificial
    OpenAI launches Agents API public beta built on Codex harness

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