Pyyan / Compare / CrewAI vs LangGraph vs DSPy vs Pydantic AI

CrewAI vs LangGraph vs DSPy vs Pydantic AI

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Agent Frameworks · verified 13 Aug 2026

×CrewAICrewAIcurrent
×LangGraphLangChaincurrent
×SDSPyStanford NLPcurrent
×Pydantic AIPydanticcurrent
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SpecificationCrewAILangGraphDSPyPydantic AI
SummaryRole-based agent crews.Most battle-tested for stateful production.Compiles prompts instead of hand-writing them.Type-safe, schema-validated agents.
ModelRole-basedGraphCompilerTyped
LanguagePythonPython, JSPythonPython
MCP supportYes
StatusActiveActiveActiveActive
CategoryAgent FrameworksAgent FrameworksAgent FrameworksAgent Frameworks
OfficialCrewAILangChainStanford NLPPydantic

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 →

DSPy

  • ~23k stars
  • Built-in ReAct and agent loops

Best for optimisation.

Full spec sheet →

Pydantic AI

Type-safe, schema-validated agents.

Best for predictable output.

Full spec sheet →