OpenAI Agents SDK¶
What it is¶
The OpenAI Agents SDK is a framework designed to build and orchestrate AI agents. It introduces a separation between the "harness" (the control logic) and the "compute" (the LLM reasoning), allowing for more flexible and scalable agent architectures.
What problem it solves¶
It simplifies the process of creating agents that can use tools, maintain state, and perform complex multi-step tasks. By separating the harness from the compute, it enables better resource management and sandboxing.
Where it fits in the stack¶
Category: Framework / Agents
Typical use cases¶
- Multi-step Reasoning: Agents that need to perform a sequence of actions to reach a goal.
- Tool-augmented Generation: Integrating external APIs and tools into the agentic loop.
- Sandboxed Execution: Running agent code in isolated environments for security.
Strengths¶
- Decoupled Architecture: Separates agent logic from LLM execution.
- Native OpenAI Integration: Designed to work seamlessly with the OpenAI platform.
- Scalability: Easier to manage multiple agents and concurrent tasks.
Limitations¶
- Platform Dependency: Primarily optimized for OpenAI models.
- Early Stage: As a new evolution, ecosystem support and community tools are still maturing.
When to use it¶
- Use when building complex agents on the OpenAI platform.
- Use when you need a clear separation between the agent's control logic and its reasoning engine.
When not to use it¶
- Not necessary for simple, single-prompt chat interactions.
- If you are fully committed to a different framework like LangGraph or CrewAI.
Licensing and cost¶
- Open Source: Yes (SDK)
- Cost: Free (SDK) / Usage-based (OpenAI API)
- Self-hostable: Yes (SDK logic)
Related tools / concepts¶
Sources / References¶
- The next evolution of the Agents SDK
- OpenAI’s Agents SDK separates the harness from the compute
- Agents SDK Sandboxes
Contribution Metadata¶
- Last reviewed: 2026-04-16
- Confidence: high