Free · Deeply researched · Updated for 2026

Master modern AI, course by course.

Structured, deeply-researched courses you can read or listen to — each with a slide deck, hands-on labs, and a quiz. Start with the fundamentals of agentic AI, or jump straight to mastering Claude Code.

2

Courses

75

Lessons

17h

Of learning

How you learn

Learn the way that fits your moment.

Deep-focus reading at your desk. Hands-free listening on a walk. Every lesson, both ways — plus slides, a lab, and a quiz.

Read

Reading mode

Beautiful, distraction-free typography with a serif reading column, syntax-aware code, callouts, and a scroll progress bar. Built for understanding, not skimming.

Listen

Listening mode

Press play and the lesson reads itself aloud — sentence by sentence, highlighted as it goes, with speed controls. Turn any commute into a class.

Slide decks

Present any lesson fullscreen, or export a polished deck.

Hands-on labs

Every concept paired with a concrete build-it exercise.

Quizzes & progress

Instant feedback and saved progress, synced to your account.

⌘K search

Jump to any lesson or action in a keystroke.

Why it works

Built to make the hard ideas click.

Built for understanding

We lead with the right mental model, then the detail. Analogies, worked examples, and “when NOT to” guidance turn jargon into intuition.

Hands-on and current

Real code, real tools, and the latest patterns — every course researched against primary sources and kept up to date.

The whole picture

Not just how to build, but how to evaluate, secure, and ship — foundations to frontier, including safety and governance.

Begin

Pick a course and start. The best time was last year — the second best is now.

No signup to read, no paywall — just the clearest path in the field. Sign in to sync your progress across devices.