Migrating from OpenAI Agents SDK to the Agents API: What Actually Changes Architecturally?
Migrating from the OpenAI Agents SDK to the new Agents API is not an import rename. The runtime boundary changes: the agent loop, durable session, orchestration, context compaction and recovery move toward a managed harness. This guide shows what should move, what should stay in your application, and how to prove the migration before cutover.