bpe tokenizer trainer
A vibe-coded web demo — play it in your browser, no install. A vibe-coded toy for exploring byte-pair encoding (BPE)
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Open the live demo Source on GitHubFrom the README
A vibe-coded toy for exploring byte-pair encoding (BPE)
Briefly explain BPE (byte pair encoding) and include pseudo code for something that would take in a giant byte array and generate a BPE vocab for it.
BPE is a compression algorithm that iteratively replaces the most frequent pair of adjacent tokens with a new token. Originally designed for text compression, it's now widely used in NLP for tokenization (GPT, BERT, etc.).
The resulting vocabulary contains the original 256 bytes plus learned multi-byte sequences, enabling efficient encoding of common patterns in the data.
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