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OpenAI Agents SDK vs Pydantic AI

OpenAI Agents SDK: Lightweight Python SDK for agents, handoffs and guardrails Pydantic AI: Type-safe Python agent framework with many model providers

Comparison of OpenAI Agents SDK, Pydantic AI
OpenAI Agents SDK
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Pydantic AI
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CategoryAgent FrameworksAgent Frameworks
PricingOpen source–
Best for
  • Python developers
  • Prototype teams
  • Backend teams
  • Python developers
  • Backend teams
Highlights
  • Agents with instructions and tools
  • Handoffs between agents
  • Input and output guardrails
  • Typed outputs validated against your types
  • Model switching with a single string change
  • Fallback models for provider failures
GitHub stars30.5k–
Last update2 days ago–

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