CrewAI

CrewAI is a Python framework for orchestrating multiple AI agents that collaborate on complex tasks. You define agents with specific roles (researcher, writer, reviewer), assign them goals and tools, then group them into a crew with a defined process (sequential or hierarchical). Each agent focuses on what it does best and passes results to the next. It supports tool integration, memory across interactions, and delegation between agents. CrewAI is more opinionated than LangGraph but significantly easier to get started with. For workflows like research-then-write or plan-then-execute, the role-based mental model maps naturally to how you would organize a human team.