Your LLM Has Never Read a Word: Tokenization Explained for Developers
This story is from 2026-09-19. It is preserved in the archive; the latest stories are on the live feed.
You type a sentence into ChatGPT and it looks like normal English. The model doesn't see it that way. In fact, it never sees words at all. Before the model processes anything, your text is converted into a sequence of numbers. That's what the model actually works with. When I first started learning…
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- 2026-09-19 09:03 · DEV Community — Machine Learning
Your LLM Has Never Read a Word: Tokenization Explained for Developers