World Models: How AI Simulates Worlds

For curious learners who want to understand AI world models: what they are, how systems like Genie, V-JEPA, and Dreamer learn to predict what happens next, where the idea came from, who is building them now, and where they still break.

5 sections ยท 16 lessons

Read lesson 1 free: A Small Model of the World in Your Head

Course outline

What a World Model Is

  1. A Small Model of the World in Your Head
  2. Actions Turn a Video Into a World
  3. Imagine Before You Act

How They Learn

  1. Predicting Every Pixel
  2. Predicting Meaning, Not Pixels
  3. Practicing Inside a Dream
  4. Keeping a World Consistent
  5. Choosing a World Model Recipe

A Short History

  1. Learning a Model, Then Planning in It
  2. Why Video Made World Models Take Off

Who Is Building Them

  1. Google DeepMind's Genie Worlds
  2. World Labs Builds Worlds You Can Keep
  3. World Models for Robots and Cars
  4. LeCun's Bet Against Pixels
  5. The Startup Race and Who Is Buying

Where They Break

  1. Looking Real Is Not Physics
  2. What a Simulator Test Can Tell You
  3. Judge a World Model Announcement

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