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What Are Tokens, and Why Does AI Count Everything in Them?

AI models don't read words. They read tokens : small chunks of text that the model turns into numbers before it can do anything with them. You see the word everywhere. API pricing is "per million tokens". Context windows are "200K tokens". Speed is "tokens per second". In the previous articles in t…

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  1. 2026-11-13 13:56 · DEV Community — Machine Learning
    What Are Tokens, and Why Does AI Count Everything in Them?

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