# OpenAI Launches Agents API in Public Beta

The API manages long-running agent sessions across OpenAI-hosted or third-party sandboxes with no extra platform fees beyond token and tool usage.

- Sandboxes can run in user VPCs, OpenAI-hosted environments, or providers including Cloudflare, DigitalOcean, E2B, Modal, Oracle Cloud, Vercel, and Daytona
- Built-in multi-agent orchestration splits tasks across parallel subagents that each maintain separate context windows
- Automatic context compaction compresses earlier session data as context limits approach to enable multi-hour runs
- Agents can execute code, manipulate files, install packages, and produce artifacts using configurable CPU, GPU, memory, and storage
- Integrations support the Model Context Protocol, tool search, and programmatic tool calling to filter and chain operations in code

## Why it matters

Developers building autonomous agents can offload execution sandboxes, context compaction, and multi-agent orchestration to OpenAI without managing custom runtime infrastructure.

## Sources

- [OpenAI: Introducing the Agents API](https://openai.com/index/introducing-the-agents-api)

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Summarized by dstilled on 2026-09-10. https://dstilled.ai/story/ee2724fa-2909-4527-bbd1-95ed42d5259e