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Token

Language models

The token is the unit of text a language model works with: a short word, a word fragment, a punctuation mark. Text is split into tokens before processing. API billing, context window size and generation speed are all counted in tokens.

In practice at Gensai

Gensai sizes its architectures in tokens: document chunking for RAG, control of API costs and latency.

Definition written with AI assistance, checked by Sébastien Lecocq, co-founder of Gensai.

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