Free ยท No sign-up ยท Made for phones
Learn AI one cozy scroll at a time.
Bite-sized lessons you can read under the duvet. Clear pictures, quick quizzes, and links to the best free courses on the internet when you want to go deeper.
- 20 lessons
- 40 quizzes
- 20 infographics
- 30 open sources
Choose your level
BeginnerNo maths, no code. Just the big ideas.Start here if AI feels like magic. You'll learn what AI actually is, how machines learn from examples, and how chatbots like ChatGPT and Claude work under the hood.6 lessons ยท ~32 minIntermediateA little maths, a lot of intuition.Look under the bonnet. You'll see how models actually find good parameters, how to tell if a model is any good, and the classic architectures for images, sequences and meaning.7 lessons ยท ~41 minAdvancedHow frontier AI actually works.The ideas behind today's frontier models: transformers, how LLMs are trained and aligned, retrieval and agents, efficient fine-tuning, diffusion, reinforcement learning, and the science of scaling and safety.7 lessons ยท ~48 min
0/6 done
0/7 done
0/7 done
How it works
Scroll, don't study
Every lesson is a stack of small cards. One idea per card, five minutes per lesson.
See it, get it
Each lesson has a hand-drawn infographic that explains the idea at a glance.
Quick quizzes
Tap-to-answer questions keep you awake (just enough) and lock in what you read.
Go deeper, for free
Every lesson links to the open courses, books and papers it builds on.