A agentindex
Comparison

CrewAI vs LangChain

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

LangChain

The broad framework for LLM applications and agents.

  • + Largest ecosystem of integrations
  • + Mature and battle-tested
  • − Broad, sometimes leaky abstractions
  • − Agent orchestration has moved to LangGraph
Spec CrewAI LangChain
Role Agent framework Agent framework
Tags agent-framework, library, multi-agent agent-framework, library, orchestration
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 byok
Languages python python, typescript
GitHub stars 54.4k 140.3k
Last activity 2026-06-27 2026-06-26