OpenAI Agents API enters public beta
BetaVerifiedAdded Sep 22, 2026
The Agents API runs agents on a managed Codex harness with OpenAI handling session orchestration, context compaction and recovery. It offers durable sessions, streaming, your own tools and MCP servers, and hosted or self-provided sandboxes.
Topics: AI agents, MCP, Streaming, Developer tools, Coding agents
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More OpenAI API releases
Every OpenAI API release| Date | Release | Type |
|---|---|---|
| Sep 10 | OpenAI project API keys support expiration dates Update | Update |
| Sep 10 | OpenAI GPT-Live 1 is generally available for full-duplex voice GA | GA |
| Sep 10 | Introducing the Agents API Update | Update |
| Sep 10 | Build more natural voice experiences with GPT‑Live‑1 in the API Update | Update |
| Sep 8 | OpenAI Prompt Cache Diagnostics is generally available in the Responses API GA | GA |
| Sep 8 | OpenAI releases GPT Image 2.5 Sunburst and GPT Image 2.5 Flare Update | Update |
| Sep 8 | OpenAI GPT-Rosalind is GA for approved life sciences research GA | GA |
| Sep 15 | OpenAI API adds API key creation governance controls Update | Update |
