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One Word at a Time

28:48 · narrated from the lecture notes

A note before we begin. The narration in this video is synthetic speech, generated from the lecture notes of Dr. Sean Davis. It is not a recording of his voice. The lecture was given on October 15, 2026.

Chapters

1. 0:00 Introduction
2. 2:43 The loop, with words
3. 5:36 A language model is a classifier
4. 9:17 Attention
5. 10:51 Predict, pick, repeat
6. 12:49 What a chatbot actually reads
7. 16:18 Part 2: How a chatbot is built
8. 17:46 Pretraining
9. 22:16 Instruction and preference tuning
10. 25:01 What the recipe predicts
11. 26:53 A chatbot asked about eGFR
12. 28:04 Getting started

Slides Handout with notes (PDF) Captions (.vtt) Download video