Custom GPTs Mastery

Custom GPTs are OpenAI's version of a personalized, reusable ChatGPT — with the added ability to connect real APIs and publish to the GPT Store. Seven detailed lessons take you from "what's a GPT?" to a working, published assistant.

📚 7 lessons ⏱ ~10 min each 🏆 280 points possible ✍️ Copy-paste examples 💸 Free

The 7 Lessons

Part of the Next Level Series

This course pairs with Gemini Gems Mastery — the same 7-lesson structure applied to Google's custom assistant platform. Take both and you'll understand the pattern behind every custom-assistant tool on the market, plus what's genuinely different about each one.

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Prototype

You've completed all 7 lessons of Custom GPTs Mastery. You can now design, build, connect, test, and publish custom AI assistants on OpenAI's platform.

Complete the series

Gemini Gems Mastery — the same skills applied to Google's platform. See how the pattern holds and where the platforms genuinely diverge (Actions vs. no-code integrations, GPT Store vs. private sharing).