Skip to content
All paths
Foundations

Get ready for AI engineering, from zero.

Programming, AI literacy, the math behind models and the developer toolkit. Free with an account.

Start the first lesson

40 lessons in 4 milestones. Free with an account.

By the end you can
  • Write real programs in Python
  • Understand how LLMs work and where they fail
  • Read the math behind models without fear
  • Use Git and the command line like a working engineer

The roadmap

Work through it in order, or jump to what you need. Open a milestone to see its lessons.

  1. Learn to code

    Your first programs through testing and APIs.

    Start: Setup & Your First Program
    13 lessons
    1. Setup & Your First Program
    2. Data Types & Operators
    3. Strings & Text Processing
    4. Control Flow
    5. Functions & Scope
    6. Collections & Complexity
    7. Iterators, Generators & Comprehensions
    8. Classes, Objects & Dataclasses
    9. Type Hints & Static Checking
    10. Errors, Exceptions & Debugging
    11. Files, JSON & Talking to APIs
    12. Testing with pytest
    13. Packaging, Tooling & the Path to AI

  2. How AI works

    LLMs, tokens, embeddings and their limits.

    Start: What AI Actually Is
    8 lessons · about 5 h 10 min
    1. What AI Actually Is
    2. Inside a Language Model
    3. Tokens, Context & Embeddings
    4. Prompting Basics
    5. Calling a Model
    6. Limits & Hallucination
    7. The Modern AI Toolkit
    8. Evaluating & Choosing Models

  3. The math

    Vectors, probability and gradients, explained visually.

    Start: Linear Algebra for AI
    7 lessons
    1. Linear Algebra for AI
    2. Probability & Statistics
    3. Calculus & Gradient Descent
    4. Neural Networks from First Principles
    5. The Transformer, Explained
    6. Embeddings & Vector Geometry
    7. Information Theory & Loss

  4. The developer toolkit

    Git, the command line and Linux basics.

    Start: Version Control, Why
    12 lessons
    1. Version Control, Why
    2. Git Basics
    3. Branching & Merging
    4. Remotes & GitHub
    5. Pull Requests & Review
    6. A Real Team Workflow
    7. The Terminal
    8. Files & Navigation
    9. Reading & Editing
    10. Pipes & Text Tools
    11. Permissions & Processes
    12. Shell Scripting Basics

Start where you are.

Your progress is saved as you go, and every lesson you finish counts toward every path that includes it.

Compare paths