Andrej Karpathy

7 videos from this channel that Hacker News commenters point to. Find the channel on YouTube

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The spelled-out intro to neural networks and backpropagation: building micrograd

Andrej Karpathy

4.4M views · 17 HN recommenders · 2022–2025

Deep Dive into LLMs like ChatGPT

Andrej Karpathy

10.3M views · 10 HN recommenders · 2025–2026

Let's build GPT: from scratch, in code, spelled out.

Andrej Karpathy

8.2M views · 14 HN recommenders · 2023–2025

[1hr Talk] Intro to Large Language Models

Andrej Karpathy

4.3M views · 9 HN recommenders · 2023–2026

Let's build the GPT Tokenizer

Andrej Karpathy

1.3M views · 5 HN recommenders · 2024–2025

The spelled-out intro to language modeling: building makemore

Andrej Karpathy

1.3M views · 2 HN recommenders · 2024

CS231n Winter 2016: Lecture1: Introduction and Historical Context

Andrej Karpathy

463K views · 2 HN recommenders · 2016–2023