CrewAI vs Agency Swarm

Side-by-side from the Top 11 ranking of The 11 Best AI Agent Builders. Last verified May 31, 2026.

The short answer

CrewAI ranks higher on Top 11 (#3 vs #10) for Developers building autonomous AI agents and workflows. An intuitive, powerful framework for orchestrating teams of collaborating AI agents.

At a glance

CrewAIAgency Swarm
Top 11 rank#3 / The 11 Best AI Agent Builders#10 / The 11 Best AI Agent Builders
Score (out of 9.4)8.97.4
Best forBest for multi-agent collaborationMulti-agent framework for OpenAI Assistants
PricingFree (Open Source)Free (Open Source)
HQSan Francisco, USAOpen Source
Founded20232023

CrewAI

An intuitive, powerful framework for orchestrating teams of collaborating AI agents.

www.crewai.com/

See full entry in The 11 Best AI Agent Builders

Agency Swarm

A specialized framework for orchestrating agents built on OpenAI's Assistants API.

github.com/VRSEN/agency-swarm

See full entry in The 11 Best AI Agent Builders

Methodology and scoring weights live at /methodology. No vendor pays for placement — see about.