OpenAI Agents SDK

Lightweight Python framework for multi-agent workflows

The OpenAI Agents SDK is an open-source Python library for building agent apps with tools, handoffs between agents, guardrails and tracing. It works with OpenAI and many other model providers, and includes human-in-the-loop options so people stay in control of important steps.

Available on

PythonAPI

Pricing

Free and open source (MIT); you pay your model provider for usage

Free tier available

Free pricing

Price checked Nov 4, 2026

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