Learn by doing.

Animated lessons, hands-on practice with Lou, your tutor, and quizzes that check it stuck. Loop is a learning platform where every idea is something you see, then do.

Hi, I'm Lou. Welcome to Loop, where you learn by doing. Scroll with me, and I'll show you around.

— Lou, your tutor

Start learning, free

122 lessons
Hands-on labs
A tutor on every step
Free to start

Try it now

A 30-second lesson, right here

Let's try one right now. Type anything you like, and watch how an AI model reads it.

Type anything

What the AI model sees7 tokens

How·do·I·return·my·shoes?

· marks a space. Real tokenizer: o200k, used by OpenAI's GPT-4o models (loading…).

Quick check: how many tokens is “How do I return my shoes?”?

Animated lessons

Lessons that feel like stories

Every lesson is a short, hand-painted story. One idea at a time, in plain words, so the hard parts finally click.

Explainers

The hard words, made simple

Tricky word coming up? A tiny explainer plays right before the lesson that needs it.

Hands-on practice

Practice in a copy of the real tool

Then you practice in a copy of the real tool. Same buttons, same fields. Nothing to install, and no bill at the end.

Your tutor

Lou is with you, step by step

And I'm right there with you, on a video call, one step at a time. Get something wrong, and I'll show you exactly why.

Coding labs

Real code, right in your browser

When it's time to code, you write real code, right in your browser, and it really runs.

Quizzes

Check that it stuck

Then a quick quiz checks that it stuck. And your progress saves as you go.

Courses

Start learning today

Start with Microsoft's AI-103 course. It's free. And more courses are on the way.

Your first lesson is two minutes away

Ready? Let's learn something.

Free · nothing to install · no card needed · your progress is saved

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