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Pyyan / Compare / CrewAI vs LangGraph vs Pydantic AI

CrewAI vs LangGraph vs Pydantic AI

3 of 5

Agent Frameworks · verified 13 Aug 2026

×CrewAICrewAIcurrent
×LangGraphLangChaincurrent
×Pydantic AIPydanticcurrent
2 slots left
SpecificationCrewAILangGraphPydantic AI
SummaryRole-based agent crews.Most battle-tested for stateful production.Type-safe, schema-validated agents.
ModelRole-basedGraphTyped
LanguagePythonPython, JSPython
MCP supportYes——
StatusActiveActiveActive
CategoryAgent FrameworksAgent FrameworksAgent Frameworks
OfficialCrewAI ↗LangChain ↗Pydantic ↗

Highlighted rows are where these differ.

CrewAI

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

Best for prototyping.

Full spec sheet →

LangGraph

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

Best for production.

Full spec sheet →

Pydantic AI

Type-safe, schema-validated agents.

Best for predictable output.

Full spec sheet →