langchain-in-action vs CrewAI

AgentCrush compares langchain-in-action and CrewAI across public evidence signals — GitHub activity, package usage, dependency adoption, docs quality, ecosystem links, and discourse. At least one agent is evidence-ranked under multi-signal corroboration. The comparison shows evidence differences, not a universal winner. Methodology at /methodology.

For machine retrieval: GET /api/compare/llm-summary?agents=huangjia2019_langchain_in_action,crewai or MCP compare_agents(["huangjia2019_langchain_in_action","crewai"]).