{# Course schema: this is what turns a blue link into a result that shows the provider and the level. Only facts that are actually true go in here. #}
ExpoCoder Sign in Start free

Generative AI

How ChatGPT-style AI works: LLMs, transformers, diffusion, prompting, agents and RAG.

16 lessons about 5 hours Hard
Learn it by writing it.

Every lesson runs real code in your browser, checked the moment you submit. No installing anything, no setup, no waiting.

Start Generative AI free

What this course covers

  1. What is AI & Generative AI?
  2. Generative AI & LLMs
  3. Tokenization: Text to Numbers
  4. Word Vectors & Similarity
  5. Build a Text Generator
  6. Temperature & Sampling
  7. Transformers: How ChatGPT Works
  8. How LLMs Learn: Pre-training and RLHF
  9. Diffusion Models: How AI Draws
  10. Semantic Search (mini-RAG)
  11. RAG: AI With a Search Engine Brain
  12. AI Agents: AI That Acts
  13. Prompt Engineering: Talk to AI Better
  14. AI Ethics: Be a Good AI Builder
  15. Capstone: Build a Tiny AI Text Generator
  16. Evaluating AI: Perplexity, BLEU, and Benchmarks

Other courses

Computational Thinking

Learn to think like a problem-solver before you write a single line of code. Break big …

Basic Python

Your first Python course, no experience needed. Learn variables, loops, functions, and …

Intermediate Python

Level up your Python with comprehensions, lambdas, error handling, files, modules, and …

Object-Oriented Programming

Master OOP in Python: classes, objects, inheritance, polymorphism, encapsulation, abstr…

Advanced Python

Go deeper in Python: decorators, generators, type hints, regex, JSON, SQLite, testing, …

Data Structures & Algorithms

Core CS: arrays, lists, stacks, queues, hash tables, trees, graphs, sorting, searching,…

Games with Pygame

Build your own 2D games from scratch: the game loop, sprites, movement, collisions, and…

Java

Learn Java from zero, with no programming background needed. Write your first program, …

C++

Learn C++ from zero, with no programming background needed. Start with your first progr…

C

Learn C from zero, with no programming background needed. The language that Unix, Linux…

JavaScript

Learn JavaScript from scratch: variables, types, loops, functions, arrays and objects, …

Web Frontend

Build for the browser: structure pages with HTML, style them with CSS, then use live AP…

See all courses