CLAIM-2026-09-16-02

Code called through the Agents API executes in an OpenAI-hosted sandbox, on self-hosted infrastructure, or in one of nine named partner sandbox environments: Blaxel, Cloudflare, Daytona, DigitalOcean, E2B, Modal, Oracle, Runloop and Vercel.

Why it matters

Eleven execution options is the number every engineer will read as the control surface, which is exactly why the residency position lands where it does.

Sources

• openai2026introduci