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fundamentals

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TOKENS infographic: a prompt is split into token blocks, processed by an LLM, and returned as output, with callouts for counted text, context limits, and billing

What is a token in AI, how it is counted, and why you pay for every one

A technical guide to tokens in LLMs: what they are, how BPE splits text, why both request and response are billed, and how to estimate real cost in 2026.

Rafael Da SilvaMay 25, 20268 min