Build the mental models that get you hired at top AI labs. Free interactive course with executable Python — no signup required.
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fit() and hope for the best.Work at a Frontier Lab teaches the systems intuition that separates senior research engineers from juniors.
9 lessons that build real understanding
"Here's the API"
"Here's why it breaks at scale"
Video lectures
Text + executable code
Toy examples
Production reality from labs
Memorize formulas
Build mental models
“Finally understood why my distributed training kept crashing. The memory bandwidth lesson alone saved me a week of debugging.”
Sarah K.
ML Engineer, Top AI Lab
“Most courses teach you to call fit() and pray. This one teaches you why things break at scale. Essential for anyone doing real ML work.”
Marcus R.
Research Engineer, AI Startup
“The 'Break It' exercises are gold. I learned more debugging intentionally broken code than from any tutorial.”
Priya T.
Applied Scientist, Big Tech
You don't just learn what. You learn why, when, and what breaks.
Motivation
Why do people mess this up?
Mental Model
Diagrams and intuition
Toy Code
50-150 lines you can run
Break It
See the failure modes
Scale Thinking
What happens at 70B?
Production
How labs actually do it
No signup required. No credit card. Just start learning.