A agentindex
Comparison

CrewAI vs Pydantic AI

A like-for-like, spec-level comparison. Both entries are verified against their docs and repo.

CrewAI

Role-playing multi-agent crews.

  • + Intuitive role-and-task mental model
  • + Fast to prototype multi-agent flows
  • − Less fine-grained control than LangGraph
  • − Can be token-inefficient at scale

Pydantic AI

Type-safe agent framework from the Pydantic team.

  • + Type-safe structured outputs
  • + Clean dependency-injection design
  • − Newer, fewer integrations than LangChain
  • − Python only
Spec CrewAI Pydantic AI
Category framework framework
License MIT MIT
Open source Yes Yes
Self-hostable Yes Yes
MCP support Yes Yes
Pricing freemium free
Starting price BYOK usage cost BYOK usage cost
Models claude, gpt, gemini, byok claude, gpt, gemini, byok
Languages python python
GitHub stars 54.4k 18.0k
Last activity 2026-06-25 2026-06-25