Show HN: How LLMs Work – Interactive visual guide based on Karpathy's lecture
Published: (April 24, 2026 at 02:48 AM EDT)
1 min read
Source: Hacker News
Source: Hacker News
A Visual Deep Dive
How LLMs Actually Work
Live LLM Response
Human: What is behind this text box?
A complete walkthrough of how large language models like ChatGPT are built — from raw internet text to a conversational assistant. Based on Andrej Karpathy’s technical deep dive.
| Metric | Value |
|---|---|
| Training Tokens | 15 T |
| Parameters | 405 B |
| Text Data | 44 TB |
| Token Vocabulary | 100 K |
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