Compare agent frameworks
OpenAI Agents SDK vs Pydantic AI
Two agent frameworks tools for AI agents, side by side. Facts come from each tool's own site.
OpenAI Agents SDK
openai.github.ioOpenAI's lightweight Python framework for multi-agent workflows.
Visit OpenAI Agents SDK| OpenAI Agents SDK | Pydantic AI | |
|---|---|---|
| What it does | OpenAI's lightweight Python framework for multi-agent workflows. | Type-safe Python agent framework from the Pydantic team. |
| In their words | OpenAI Agents SDK | Pydantic AI | Pydantic Docs |
| Open source | Yes | Yes |
| Website | openai.github.io | pydantic.dev |
| Link checked | 2026-10-16 | 2026-10-16 |
More options:Alternatives to OpenAI Agents SDKAlternatives to Pydantic AIGuide: Best AI agent frameworks
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