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The Anatomy of an LLM
Hacker News · New
by Roy van Rijn
A long visual guide to what happens inside a language model, with a tokenizer, vector and matrix playgrounds and a step-through of one prediction. Each chapter has controls you can change and watch.
Notes
Long page; marked beta. Maker's site/blog doesn't state tools. Maker is a well-known Java developer with a blog, X and LinkedIn.
Source checked 2026-10-16. Descriptions summarize the maker's own account, not independent testing.
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