Build agents with the OpenAI stack
Production agent SDK with handoffs, guardrails, sessions and tracing: successor to Swarm.
OpenAI's 2025 agent SDK: a lightweight loop (agents, handoffs, guardrails, sessions) with tracing built in, plus realtime agents for voice. Minimal by design after the Swarm experiment
Who it's for
Python developers building agents directly on OpenAI models with handoffs, guardrails and tracing built in.
Official links
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Concepts in the glossary
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OpenAI Agents SDK is written in
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OpenAI Agents SDK features
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