BERT tokenizers headed for ~50x total speedup as tokenizers v1 work continues
tomaarsen · x · 2026-10-15
tomaarsen rounds up recent tokenizers library work: the v1 update already sped up tokenization for any NLP task (BPE up to 30x), and Simon Brandeis is now cooking another 5x improvement for BERT tokenizers — roughly 50x total versus v0.23. Full details in the blog post, including bottleneck analysis and a browser demo.
Related event: Hugging Face Turbocharges BERT Tokenizer With Up to 50x Speedups(4 posts)→
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