197 Lessons · 4 Quizzes · 47 Coding Drills · Updated September 2026Master AI & LLMs
Master AI & LLMs
From First Principles
Deep dives, runnable examples, theory quizzes, and coding drills for Transformers, RAG pipelines, inference optimization, and agentic systems. Focused tracks help you prepare for AI/ML interviews and build with confidence.
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Work through the full roadmap, or use a focused track for production ML, RAG, agents, inference, training, or interview prep.
Guided Lessons
Step-by-step chapters on Transformers, mixture-of-experts models, retrieval systems, and agentic workflows from first principles.
System Design
Learn to design scalable inference systems, vector databases, RAG pipelines, and training infrastructure.
Practice Loops
4 global quizzes and 47 coding drills covering the full modern AI stack.
Source Trail
Every article links to foundational papers, from Attention Is All You Need to FlashAttention-3 and DPO.
Focused Tracks
Shorter paths through the curriculum for AI foundations, production ML, RAG, agents, inference, training, and AI lab prep.
Engineering Review
Content is checked against papers, model docs, and production patterns instead of treating vendor claims as enough.
Open Access
All lessons are free
LeetLLM is a nonprofit educational project. The full curriculum is open source. Lessons and coding practice will always be free. Read and practice without an account. Sign in to sync your progress, notes, and bookmarks across devices.
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- 197 expert deep-dive lessons
- 4 global theory quizzes
- 47 coding drills
- Research Paper References
- Architecture diagrams & code examples
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