#llm-fundamentals
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Deep Dive into LLMs like ChatGPT
Karpathy's 3.5-hour general-audience deep dive (9.7M views, Feb 2025): the full ChatGPT pipeline — pretraining (internet → tokens → next-token prediction), supervised fine-tuning (conversations → an assistant persona), and reinforcement learning (practice problems → emergent reasoning) — mapped throughout onto how children learn from textbooks: exposition, worked examples, practice problems.