- Simplify AI
- Posts
- Unleash ChatGPT’s Superpowers: Master Function Calling & Tool Use
Unleash ChatGPT’s Superpowers: Master Function Calling & Tool Use
Teach Your AI to Take Action—From Calling APIs to Powering Real-World Tools, Without Breaking a Sweat
Ramesh C
May 25, 2025
What if ChatGPT could check the weather, search flights, fetch live stock prices, or even control your smart home? With OpenAI’s Function Calling and Tool Use, this is not just possible—it’s beginner-friendly. In this guide, we’ll show you how to make your AI call external APIs and tools like a real assistant. You'll learn why this matters, how it works, and how to start building real-world apps that go far beyond chat.