OpenAI will run the agent loop for you, and it won't leave the US
The Agents API went into public beta on Thursday: the Codex harness behind one API call, with durable sessions, automatic compaction, subagents and nine sandbox partners, at no fee above tokens. Writing the loop was never the hard part. And the beta is US-only with no zero data retention, which settles it for most of Europe before the engineering argument starts.