Neural Networks: Zero to Hero
Build neural networks from scratch in code, with Andrej Karpathy.
19h 29m
On-demand video
13
Lessons
Included
Certificate
Mobile & TV
Watch anywhere

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This course includes:
- 19h 29m on-demand video (free)
- 13 lessons
- Full lifetime access
- Access on mobile and TV
- Certificate of completion
What you'll learn
- Build and train neural nets from first principles
- Implement backpropagation by hand (micrograd)
- Code a GPT-style language model from scratch
- Truly understand what happens inside an LLM
Official study guide
The complete 28-page companion book for Neural Networks: Zero to Hero, covering every module with worked examples, key terms, self-check questions, and a full glossary. Print it or read it offline.
Tools & technologies
Industry-standard tools you'll work with in this course.
Course content
3 sections · 13 lessons · 19h 29m- The spelled-out intro to neural networks and backpropagation: building microgradPreview2h 25m
- The spelled-out intro to language modeling: building makemore1h 57m
- Building makemore Part 2: MLP1h 15m
- Building makemore Part 3: Activations & Gradients, BatchNorm1h 55m
- Building makemore Part 4: Becoming a Backprop Ninja1h 55m
- Building makemore Part 5: Building a WaveNet56m
- Let's build GPT: from scratch, in code, spelled out.1h 56m
- State of GPT | BRK216HFS42m
- Let's build the GPT Tokenizer2h 13m
- Let's reproduce GPT-2 (124M)4h 1m
Requirements
- •Solid Python
- •Basic calculus
- •Some ML helps
About this course
Build neural networks from scratch in code, with Andrej Karpathy. This curated learning path is organized into 3 modules and 13 lessons, taught by Andrej Karpathy. MegaCourse upgrades the original 1-section playlist into a complete mega course by adding 2 curated reading & resource lessons, a final knowledge-check quiz, plus structure, learning outcomes, progress tracking, and a shareable certificate of completion.
Who this course is for
- ML engineers
- Serious self-learners
Instructor
Trusted creator on MegaCourse
Licensing & attribution
License: YouTube Standard License
Videos are embedded from their original creators and remain free to watch. MegaCourse's paid layer covers our own study guides, graded exams, certificates, and curation.
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