ROADMAP / BLOCK 1 / CH. 02
What is an LLM? Everything You Need to Know
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This chapter is complete — everything below is ready to learn right now. The video companion walks through all of it, plus the build, when it lands.
INTERVIEW QUESTIONS THIS CHAPTER ANSWERS
Q1
How does an LLM work?
Q2
What's the difference between a closed source and open source model?
Q3
What is tokenization?
Q4
Why do LLMs hallucinate?