crewAIInc/crewAI
Framework for orchestrating role-playing, autonomous AI agents. By fostering collaborative intelligence, CrewAI empowers agents to work together seamlessly, tackling complex tasks.
CrewAI is an open-source Python framework that enables developers to create and orchestrate multi-agent AI systems, where autonomous agents assume specific roles, goals, and tools to collaborate on tasks through defined processes.
Our Review
crewAI leads open-source multi-agent frameworks -- 48,232 GitHub stars and PyPI top downloads as of 2026. Built in Python under MIT license, it turns agent collaboration into simple code.
What crewAI does:
- •Role-based Agents Create agents with custom roles, goals, backstories, and LLMs for specialized behavior.
- •Task Definition Assign detailed tasks with expected outputs using Pydantic models for structure.
- •Crew Assembly Group agents into teams that delegate tasks based on roles and capabilities.
- •Execution Processes Run sequential (linear), hierarchical (manager-led), or consensual (voting) flows.
- •Tool Integration Agents use 100+ tools like Serper for search, ScrapeWebsite, or custom functions.
- •LLM Support Works with OpenAI, Anthropic, Grok, Ollama, and any via LiteLLM.
- •Memory Layers Short/long-term and entity memory keep agents context-aware across runs.
- •Human-in-Loop Agents request human input or approval mid-process.
- •Async Execution Scale with asynchronous crew kicks for parallel tasks.
- •Callbacks & Events Hook into process events for logging, monitoring, or custom logic.
crewAI ecosystem:
- •CrewAI Tools Pre-built tools for web search, file I/O, code execution, and more.
- •CrewAI Cloud Hosted platform at app.crewai.com with free trial, no local setup.
- •Templates Gallery 100+ ready crews for SEO, market research, trip planning, coding.
- •Integrations Pairs with LangChain, LlamaIndex, Flowise for hybrid workflows.
- •Community Hub Forum at community.crewai.com, blog at blog.crewai.com, Twitter @crewAIInc.
Getting started:
Install with pip install 'crewai[tools]'. Define Agent(role='Researcher', goal='...'), Task(description='...', agent=agent), Crew(agents=[...], tasks=[...]), then crew.kickoff(). Full walkthrough in docs.crewai.com.
Our Verdict
Vibe Builders pick crewAI to prototype AI apps fast -- plug in roles and tools for marketing or research crews in under an hour. Skip if you want no-code interfaces.
Developers choose it for production agent swarms -- full control over processes, memory, and async scaling beats single-model scripts. Skip if your tasks fit one agent.
Teams scale with CrewAI Cloud trials while keeping code local. Skip if you avoid external dependencies like LLMs.
Frequently Asked Questions
What is crewAI?
CrewAI is a Python framework for building multi-agent AI crews. It lets agents collaborate via roles and processes on complex tasks. The repo by crewAIInc holds 48,232 stars.
How do you install crewAI?
Install via pip. Run `pip install 'crewai[tools]'` for core plus tools. Latest PyPI version is 0.51.1 as of April 2026.
CrewAI vs LangGraph?
CrewAI focuses on role-based agent teams with simple APIs. LangGraph offers graph-based state machines for finer control. Choose CrewAI when you need quick multi-agent collaboration, LangGraph when building custom workflows.
Does crewAI support local models?
CrewAI runs local LLMs via LiteLLM or Ollama. Configure agents with model='ollama/llama3'. It handles any provider transparently.
What drives crewAI adoption in 2026?
Fortune 500 firms use crewAI for task automation. It cuts coding effort by 80% per Tavily benchmarks. Owner crewAIInc maintains active docs and community forum.
How do I install crewAI?
Visit the GitHub repository at https://github.com/crewAIInc/crewAI for installation instructions.
What license does crewAI use?
crewAI uses the MIT license.
What are alternatives to crewAI?
Search My AI Guide for similar tools in this category.
Open source & community-verified
MIT licensed: free to use in any project, no strings attached. 51,332 developers have starred this, meaning the community has reviewed and trusted it.
Reviewed by My AI Guide for relevance, quality, and active maintenance before listing.