See how AI and machine learning actually work.
Free diagrams, playgrounds and guides for students, engineers and interview prep.
- Free to read
- No account needed
- Real maths in every playground
Same curve, three step sizes.
Open the full playgroundWhat do you want to do today?
New here? Learn how a machine learns.
- See it
What machine learning is
Follow a toy classifier from labelled examples to a held-out test.
Follow the diagrams - Understand it
How a model learns from its mistakes
Find which way the loss falls, step that way, repeat.
Read the guide - Try it
Train a model yourself
Change the learning rate and watch an optimiser find the minimum.
Open the playground
Explore the library
Concepts
Pick one idea. Watch it click.
See it in a diagram, test it in a playground, and come away able to explain it in your own words.
Have a Generative AI project in mind? See how we can help