Is a token always a visible character?
No. A token may contain several characters, only part of a character’s byte representation, or a special marker that is not displayed as ordinary text.
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More FAQs in What is a token in artificial intelligence?
Yes. Punctuation may be represented separately or combined with neighboring text, depending on the tokenizer’s vocabulary and splitting rules for that exact input.
No. Each tokenizer has its own vocabulary and processing rules, so identical text can produce different token boundaries, token IDs, and total token counts.
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