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CrewAI
VerifiedOpen-source framework for orchestrating teams of collaborating AI agents.
4.4 (1,400 reviews)
About CrewAI
CrewAI is an open-source Python framework for building teams of AI agents that collaborate on a task, each with a defined role, goal, and set of tools. It supports both sequential and hierarchical process modes for coordinating hand-offs between agents, and works with any LLM provider rather than locking you into one. It's aimed at developers who want to design and control custom multi-agent workflows in code, rather than use a pre-built, hosted agent product.
Key Features
- Role- and goal-based agent definitions
- Sequential and hierarchical multi-agent orchestration
- Works with any LLM provider
- Python-based, integrates into existing codebases
- Active open-source development
Best For
- Building custom multi-agent automation for a specific business process
- Prototyping role-based agent teams (e.g. researcher + writer + reviewer)
- Teams wanting full control over their own agent orchestration logic
Pros
- Free, open-source core
- Not locked to one model provider
- Good fit for structured, role-based agent workflows
- Actively developed with a growing community
Cons
- Requires Python development skills to set up
- You still need to bring/pay for your own underlying model
- More setup effort than a hosted, no-code agent product
