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    45 min
    Lesson 4 of 5

    Production Multi-Agent Systems

    From the course CrewAI: Multi-Agent Frameworks

    Scaling CrewAI for Production

    Memory & Context

    Enable memory for agents to learn from interactions:

    crew = Crew(
        agents=[researcher, writer],
        tasks=[research_task, writing_task],
        memory=True,  # Enables short-term, long-term, and entity memory
    )
    

    Real-World Use Cases

    Content Pipeline:

    • Researcher finds topics → Analyst evaluates → Writer drafts → Editor reviews

    Customer Support:

    • Classifier routes tickets → Specialist resolves → QA checks response

    Code Review:

    • Scanner finds issues → Security checks vulnerabilities → Reviewer writes feedback

    Cost Management

    • Use cheaper models for simple agents (GPT-4o-mini for classifiers)
    • Reserve powerful models for complex reasoning agents
    • Set max_iter to prevent runaway API usage
    • Monitor token usage per agent and task

    Debugging Tips

    • Enable verbose=True on agents and crews during development
    • Log all tool calls and their results
    • Track task completion times and token usage
    • Use deterministic outputs (temperature=0) for testing

    Limitations & Alternatives

    • CrewAI is best for workflows with clear role separation
    • For tighter agent coordination, consider LangGraph
    • For simpler pipelines, function calling may suffice
    • For autonomous agents, consider AutoGen or custom implementations

    Key Takeaways

    • •Enable memory for agents to learn across interactions
    • •Use cheaper models for simple agents, powerful models for complex ones
    • •Monitor token usage and set iteration limits for cost control
    • •Consider alternatives like LangGraph for tightly coordinated agents
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