A beginner-friendly, interactive course explaining exactly how ChatGPT, Claude, and Gemini work under the hood — no math degree required.
Transformers are the foundation of every major AI system today. Understanding them gives you superpowers.
Stop treating AI as a black box. Understand what's really happening when you type a prompt.
AI is everywhere. Engineers, designers, and PMs who understand Transformers stand out.
Knowing how the model thinks helps you write better prompts and design better AI-powered products.
11 interactive lessons across 4 modules — from zero to understanding modern LLMs.
The building blocks — how text becomes numbers that AI can work with.
The revolutionary idea that made Transformers possible.
How all the pieces fit together into the full Transformer model.
From the original Transformer to GPT-4, Claude, and beyond.
Every concept explained with analogies, animations, and interactive demos.
How text is split into processable chunks
Representing words as coordinates in space
The mechanism that lets tokens "talk" to each other
Query, Key, Value — the library analogy
Multiple attention heads capture different patterns
Injecting word order into the model
Understanding and encoding the input
Generating output token by token
How GPT, BERT, and Claude are built
How Transformers learn from data
Start with Lesson 1 and work your way through. No prior knowledge required.
Begin Lesson 1: Introduction →