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Pyyan / Compare / LangGraph vs CrewAI vs Pydantic AI

LangGraph vs CrewAI vs Pydantic AI

3 of 5

Agent Frameworks · verified 13 Aug 2026

×LangGraphLangChaincurrent
×CrewAICrewAIcurrent
×Pydantic AIPydanticcurrent
2 slots left
SpecificationLangGraphCrewAIPydantic AI
SummaryMost battle-tested for stateful production.Role-based agent crews.Type-safe, schema-validated agents.
ModelGraphRole-basedTyped
LanguagePython, JSPythonPython
MCP support—Yes—
StatusActiveActiveActive
CategoryAgent FrameworksAgent FrameworksAgent Frameworks
OfficialLangChain ↗CrewAI ↗Pydantic ↗

Highlighted rows are where these differ.

LangGraph

  • Conditional branches, loops, parallel paths
  • Steepest learning curve

Best for production.

Full spec sheet →

CrewAI

  • Define a crew with goals and tools
  • Added A2A support

Best for prototyping.

Full spec sheet →

Pydantic AI

Type-safe, schema-validated agents.

Best for predictable output.

Full spec sheet →