#how-ai-works

What really happens when you type into ChatGPT? We follow one sentence through a real AI model, step by step, in plain language with no maths needed.

The T in ChatGPT stands for Transformer. A picture-first, plain-language guide to attention, queries, keys, values and why one 2017 idea changed AI.

You press Enter and words start appearing. Here's the whole trip in plain language: routing, model servers, GPUs, streaming, and why it costs what it does.