What is the OpenAI Agents SDK?
BeginnerTopic 1 of 22
What is the OpenAI Agents SDK?
The OpenAI Agents SDK is a lightweight, production-ready Python framework from OpenAI for building agentic applications. It provides primitives for creating agents, equipping them with tools, orchestrating handoffs between agents, and adding guardrails — all with built-in tracing.
Key Design Principles
The SDK is built around a few core ideas:
- Minimal abstractions — just enough structure to be useful, without hiding what's happening
- Python-native — tools are plain Python functions, agents are simple objects
- First-party integration — built by OpenAI, tightly integrated with their models
- Production-ready — includes tracing, guardrails, and streaming out of the box
Core Primitives
| Primitive | Description |
|---|---|
| Agent | An LLM configured with a name, instructions, tools, and optional handoffs |
| Tool | A Python function the agent can call, with automatic schema generation |
| Handoff | A mechanism for one agent to transfer control to another |
| Guardrail | Input/output validators that run in parallel with the agent |
| Runner | The execution loop that manages agent turns, tool calls, and handoffs |
When to Use the OpenAI Agents SDK
This SDK is a great fit when you:
- Want a lightweight, opinionated framework without heavy dependencies
- Are already using OpenAI models and want tight integration
- Need multi-agent handoffs (e.g., triage → specialist flows)
- Want built-in tracing and guardrails without extra tooling
What You'll Learn
This roadmap covers everything from creating your first agent to building multi-agent systems with handoffs, guardrails, and production tracing.