How ChatGPT Works (Simple Explanation for Beginners)

If you’ve ever wondered what happens when you type a prompt into ChatGPT, this article breaks it down in the simplest way possible. Let’s go step by step High-Level Flow User Input → Input Processing → Context Building → LLM → Output Processing → Response 1. Input Processing When you enter a prompt: Your input is cleaned and structured Previous chat history is added Text is converted into tokens (numbers the model understands) Tokens are not always full words—they can be parts of words, spaces,