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Home/Glossary/BPE (Byte Pair Encoding)
AI Glossary Term

What does “BPE (Byte Pair Encoding)” mean?

Definition

A subword tokenization algorithm that merges the most frequent character pairs into reusable tokens.

Related terms

Tokenization
The process of splitting text into tokens for model input.
OCR (Optical Character Recognition)
Technology that converts text in images or scans into machine-readable text.
Top-k Sampling
A decoding strategy that samples only from the k most likely next tokens.
Backpropagation
The core training algorithm that updates model weights by propagating prediction errors backward through the network.
Bi-Encoder
A model that encodes queries and documents into separate vectors so they can be compared quickly at scale.
Beam Search
A decoding algorithm that keeps the top several candidate sequences at each step to find higher-probability outputs.

Learn more in our free guides

ByteDance DoubaoCycleGAN Unpaired TranslationTokenizer-Free Byte-Level ModelsInstant-NGP Hash Encoding

See also

Sliding Window AttentionSentencePieceALiBiANN (Approximate Nearest Neighbor)RoPE (Rotary Positional Embeddings)HNSWPositional EncodingReranker
PreviousSliding Window AttentionNextSentencePiece
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