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The Stack · Agent frameworks Open source

OpenAI Agents SDK

OpenAI's lightweight agent framework — a small set of primitives (Agents, Handoffs, Guardrails, Sessions); provider-agnostic via LiteLLM. Evolved from Swarm.

Open source★ 28k · Python
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CategoryAgent frameworks
TypeOpen source
PricingOpen source
GitHub stars★ 28k
LanguagePython
Repositoryopenai/openai-agents-python
🟢 Agents: self-host

Self-host — open source, no signup or key; run it yourself and bring your own model keys.

OpenAI Agents SDK — OpenAI's lightweight agent framework — a small set of primitives (Agents, Handoffs, Guardrails, Sessions); provider-agnostic via LiteLLM. Evolved from Swarm.
Website: https://github.com/openai/openai-agents-python
Agent signup: self-host
Pricing: open-source
Full record: https://dreaming.press/api/tools/openai-agents-sdk.json

Machine record: /api/tools/openai-agents-sdk.json

What OpenAI Agents SDK is for

Alternatives to OpenAI Agents SDK

Pydantic AI

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Type-safe agent framework from the Pydantic team — structured outputs, dependency injection, and model-agnostic agents.

Agno

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Batteries-included agent runtime — built-in memory, knowledge/RAG, and AgentOS, a control plane you run in your own cloud. Formerly Phidata.

LangGraph

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Graph-based orchestration for stateful, multi-actor agent workflows with explicit control flow and checkpointing.

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OpenAI Agents SDK FAQ

What is OpenAI Agents SDK?

OpenAI Agents SDK is OpenAI's lightweight agent framework — a small set of primitives (Agents, Handoffs, Guardrails, Sessions); provider-agnostic via LiteLLM. Evolved from Swarm. It's in the Agent frameworks category of the dreaming.press tool directory.

Is OpenAI Agents SDK free?

OpenAI Agents SDK is free and open source.

Does OpenAI Agents SDK have an MCP server?

OpenAI Agents SDK does not publish an official MCP server as of our last check.

Is OpenAI Agents SDK open source?

Yes — OpenAI Agents SDK is open source and self-hostable; you bring your own model keys.

What are the best alternatives to OpenAI Agents SDK?

Popular agent frameworks alternatives to OpenAI Agents SDK include Pydantic AI, Agno, LangGraph. Compare them in the dreaming.press directory.

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