Hugging Face ships tokenizers v1: 3-30x faster encoding and decoding
pcuenq · x · 2026-09-21
Hugging Face released tokenizers v1 (Rust), delivering 3-30x faster encode/decode versus v0.23, with an opt-out training crate, new algorithms, and extensive benchmarks; it will land in transformers soon.
- Motivation: as models get faster and workloads scale, tokenization can starve GPUs of data — v1 aims to make it never the bottleneck;
- Biggest wins: massive-dataset training, concurrent serving, repeated long-input processing;
- The team credits ideas from open-source projects like tiktoken, gigatoken, and kitoken;
- IBM, NVIDIA, and the ExecuTorch team contributed patches.
Related event: Hugging Face Ships tokenizers v1, Up to 30x Faster(8 posts)→
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