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Pyyan / Compare / Pydantic AI vs LangGraph vs CrewAI

Pydantic AI vs LangGraph vs CrewAI

3 of 5

Agent Frameworks · verified 13 Aug 2026

×Pydantic AIPydanticcurrent
×LangGraphLangChaincurrent
×CrewAICrewAIcurrent
2 slots left
SpecificationPydantic AILangGraphCrewAI
SummaryType-safe, schema-validated agents.Most battle-tested for stateful production.Role-based agent crews.
ModelTypedGraphRole-based
LanguagePythonPython, JSPython
MCP support——Yes
StatusActiveActiveActive
CategoryAgent FrameworksAgent FrameworksAgent Frameworks
OfficialPydantic ↗LangChain ↗CrewAI ↗

Highlighted rows are where these differ.

Pydantic AI

Type-safe, schema-validated agents.

Best for predictable output.

Full spec sheet →

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 →