CrewAI vs Pydantic AI

as AI assistants see them, week of 2026-10-19

brag about it: X · LinkedIn

CrewAI comes out ahead overall, with a score of 22 versus Pydantic AI's 15, and it shows up more often too: 25 of 71 answers compared to 19 of 71. CrewAI leads on questions like "best platforms for building AI agents" (4 of 4) and "best open-source AI agent frameworks" (3 of 3, tied with Pydantic AI there). Pydantic AI's strongest showing comes from Claude, which rates it 41, well above CrewAI's 17 from Claude. Head-to-head, CrewAI is named more often on 5 questions, Pydantic AI on 3, and they tie on 12. Both are absent from questions about voice AI agents and non-technical founders.

Head to head

metric	CrewAI	Pydantic AI
score	24	17
questions won	15	17

By assistant

CrewAI

assistant	score	named in, this week	usual spot, this week
ChatGPT	29	45% of answers	#4.3
Claude	20	40% of answers	#5.8
Gemini	not sampled this week
Perplexity	24	44% of answers	#5.6

Pydantic AI

assistant	score	named in, this week	usual spot, this week
ChatGPT	7	10% of answers	#4.5
Claude	42	70% of answers	#5.1
Gemini	not sampled this week
Perplexity	7	11% of answers	#5.5

Where they differ

Only CrewAI gets named for

What are the best alternatives to Pydantic AI?
What's the best tool to monitor and debug AI agents in production?

Only Pydantic AI gets named for

What are the best alternatives to CrewAI?
What's the best tool to build an AI agent that answers customer emails?
What's the best self-hosted platform for running AI agents privately?
What's the best platform to build an AI agent that connects to my company's data?

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