Learn AI engineering from first principles, one lesson a day: 20 phases and 523 lessons, from math foundations to production AI systems.
Read the next lesson, check yourself on it, then recall a few cards from what you've finished. About 15 minutes.
Why it matters, the idea, the code and a hands-on lab, top to bottom. Go deeper when you want to.
Ask about the lesson you're reading, get the math explained, or have it quiz you. It runs on your device: your questions never leave it.
Flashcards, quick duels, interview prep, daily dilemmas, and interactive simulators for attention, sampling, quantization and more.
Questions, bugs or account requests: hyperfocusedengineer@gmail.com. You can delete your account in the app: profile → Delete account (under Danger zone).