AI article
tokenizers v1: encode, decode and scaling, measured
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huggingface | Sep 21, 2026 | Arthur Zucker, Simon Brandeis, Luc Georges, Lysandre
Automated excerpt
A merge never crosses a pre-token boundary. Tokenization algorithms documents BPE, WordPiece and Unigram. Throughout these changes, v1 produces exactly the same token IDs as the released library.
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