Pyyan / Compare / DSPy vs CrewAI vs Pydantic AI

DSPy vs CrewAI vs Pydantic AI

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Agent Frameworks · verified 13 Aug 2026

×SDSPyStanford NLPcurrent
×CrewAICrewAIcurrent
×Pydantic AIPydanticcurrent
2 slots left
SpecificationDSPyCrewAIPydantic AI
SummaryCompiles prompts instead of hand-writing them.Role-based agent crews.Type-safe, schema-validated agents.
ModelCompilerRole-basedTyped
LanguagePythonPythonPython
MCP supportYes
StatusActiveActiveActive
CategoryAgent FrameworksAgent FrameworksAgent Frameworks
OfficialStanford NLPCrewAIPydantic

Highlighted rows are where these differ.

DSPy

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

Best for optimisation.

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 →