CrewAI vs LangChain

as AI assistants see them, week of 2026-09-14

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LangChain currently leads CrewAI by a wide margin in how AI assistants talk about agent frameworks. LangChain scores 44 overall versus CrewAI's 22, and shows up in 44 of 71 answers compared to CrewAI's 25 of 71. Both get named in every answer to "What are the best platforms for building AI agents?", but head-to-head, LangChain is named more often in 12 questions, with 8 ties and zero questions where CrewAI comes out ahead. CrewAI does hold its own on framework and open-source questions, appearing in 3 of 3 answers there, but neither tool is ever named for voice AI agents or non-technical founders.

Head to head

metric	CrewAI	LangChain
score	22	44
questions won	12	18

By assistant

CrewAI

assistant	score	named in, this week	usual spot, this week
ChatGPT	27	40% of answers	#4.4
Claude	17	35% of answers	#7.7
Gemini	26	42% of answers	#5.2
Perplexity	21	26% of answers	#2.6

LangChain

assistant	score	named in, this week	usual spot, this week
ChatGPT	47	55% of answers	#2.1
Claude	49	80% of answers	#5.2
Gemini	56	83% of answers	#4.3
Perplexity	33	37% of answers	#1.7

Where they differ

Only CrewAI gets named for

nothing exclusive

Only LangChain gets named for

What's the most reliable platform to run AI agents in production?
What's the best way to give an AI agent memory across sessions?
What's the best no-code tool to build an AI agent?
What's the best platform to build an AI agent that connects to my company's data?
What's the best tool to automate a business workflow with AI agents?
What's the best tool to monitor and debug AI agents in production?

More comparisons

Not sold on either?

Scores count how often each assistant names a product, weighted by position. How the score works · Full AI agent builders leaderboard