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    AI Function Calling & Tool Use

    Master function calling across AI providers — schema design, parallel calls, error handling, multi-step agents, and production patterns.

    4 lessons + 1 practice exercise3.5 hoursFree

    Start with lesson 1

    Lessons

    1. 1.Function Calling Fundamentals45 min
    2. 2.Parallel & Sequential Calls40 min
    3. 3.Error Handling & Validation40 min
    4. 4.Building Multi-Step Agents50 min
    5. 5.Hands-On Practice
      practice
      20 min

    Frequently Asked Questions

    Is the "AI Function Calling & Tool Use" course free?

    Yes. Every course on AI Model Wiki is free to read, with no payment or account needed.

    How long does the "AI Function Calling & Tool Use" course take?

    The listed estimate is 3.5 hours across 4 lessons. You can work through them at your own pace and in any order.

    What does this course cover?

    Master function calling across AI providers — schema design, parallel calls, error handling, multi-step agents, and production patterns.

    Do I need prior experience?

    This is an advanced course. Familiarity with Developer fundamentals is recommended.

    Is my progress saved?

    If you mark lessons complete, that is remembered in this browser on this device only. Clearing your browser data, or using another device, starts you from the beginning. There are no accounts or certificates for courses.