Learn how AI actually works.
Sixteen narrated courses that go from "what is a language model" to training a real transformer in your browser. Every course is a single file you download and own — no platform, no subscription, no expiry. Built for people who want to understand the thing, not collect a certificate.
First course free, in full · Works offline · Refund on request, no questions
Five levels
Online AI education has a credibility problem.
You already know the pattern: a countdown timer, a wall of five-star reviews from people who may not exist, a promise about replacing your salary, and a subscription that quietly renews. We think the format itself is the problem — so we changed it.
Testimonials you can't verify
Stock photos, first names, invented job titles. We publish none — not because we dislike praise, but because a new catalog with glowing reviews is telling you something false on day one.
Numbers with nothing behind them
"12,000 students." "Save 6 hours a week." Every figure on this site is generated from what exists on disk, and every figure inside a course is computed live from inputs you can edit yourself.
A preview that shows you nothing
Most free previews are a trailer. Ours are the genuine first four chapters, complete. The paid chapters are physically absent from the preview file — there's no script to bypass, because the content isn't there.
You own the file
A course is one HTML file you download. No login, no DRM, no streaming platform that can revoke access or shut down. Back it up. Read it on a plane in ten years.
We can't sell what isn't built
The site checks every course file before publishing and marks anything unfinished as "in production" with no way to pay for it. That check runs on every build — it isn't a promise, it's the code.
No claims about your income
These courses teach skills. They don't promise a job, a raise, or a side business, because nobody honest can promise you those. What we will say is exactly what you'll be able to do at the end of each one.
Four ways in
Start where you actually are. Each course states its prerequisites plainly, and none of them assume you were pretending to follow the last one.
The full curriculum
Sixteen narrated courses across five levels. Press play and a real teacher walks you through a build while the working demos sit on the page beside you.
- Foundations → Builder → Engineer → Production → Frontier
- About an hour each, written to be listened to
- Working demos and exercises in every chapter
- Four free chapters before you decide on any of them
Train a real transformer
Not an animation of training — actual training. A small model learns in your browser while you watch the loss fall, then you sample from the model you just trained.
- Attention visualised on your own text
- No cloud, no GPU, no framework
- Parameter count computed live, compared honestly
- The same mathematics as frontier models, at toy scale
The free course
The whole story of AI in about an hour — what it is, why it gets things wrong, where it genuinely excels. Free in full. No email required, nothing withheld.
- The complete course, not a sample
- A live model demo you can experiment with
- The verification habit that changes how you use AI
- If it isn't worth an hour, you've lost nothing
Teams and custom work
Licensing for a team, or a private course built around your actual stack and workflow. That's a conversation with a person, not a pricing tier.
- Team licensing for any course or bundle
- Custom single-file courses, built to order
- Your tools, your data policy, your schedule
- Ask below — you'll get a real reply
Download it. Listen. Build alongside.
No app to install, no account to create, no video platform buffering at 480p. A course is a single HTML file — the entire classroom travels inside it.
Open the file
Double-click the file you downloaded. It opens in any browser, on any machine, online or off. That's the entire setup process.
Listen and build
A narrator teaches while the page works: live demos, exercises, and a transcript that highlights as it's spoken. When the voice says "try this", the thing is right there.
Keep it permanently
The file is yours. Revisit it next year, run it on a laptop with no internet, hand it to your future self. Nothing about it can be switched off.
Pay once. Keep it.
Courses go on sale when they're finished — never before. No launch pricing, no countdown timers, no price that changes depending on how long you've been on the page.
No subscriptions, ever. You buy a course the way you buy a book.
Start free
The first course in full, plus real preview chapters from every paid course.
- AI in One Hour — the complete course
- Chapters 1–4 of every paid course
- Identical format to the paid material
- Decide with your own ears
Complete Library
Every paid course in the catalog, plus every future update, at no extra cost.
- All 15 paid courses, Foundations through Frontier
- Includes the transformer flagship
- Unreleased courses delivered as they're finished
- Lifetime updates to every file
- Refund on request — one email, no friction
Single courses
Take one rung. Each course stands alone and says who it's for.
- Foundations $29 · Builder $39
- Engineer and Production $39–49
- Frontier $59 · Flagship $79
- Level bundles from $69
Team licensing or invoicing? Get in touch →
Judge it by the free one.
Take the free course. If it earns the next one, continue. If it doesn't, you've spent an hour and come away understanding how AI actually behaves — which was worth the hour anyway.
A person reads this.
Not sure where to start? Need licensing for a team? Found an error in a course? Write it here and you'll get a straight answer from someone who worked on the material — not a sequence of automated emails.
Sixteen courses, five levels
9 released so far. Start free and climb as far as you like.