Unverified50% confidenceFactExact time
OpenAI 使用基于字节对编码（BPE）的 tiktoken 分词器将文本切分为 Token
1
Sources
50%
Confidence
Long-term
Relevance
7/19/2026
First Seen
Sources
Related Claims
UnverifiedThe Byte Pair Encoding (BPE) tokenization algorithm was originally introduced by OpenAI in GPT-2, splitting text into subword units by iteratively merging high-frequency character pairs.79% similarUnverifiedIn English, approximately every 4 characters form 1 Token, and OpenAI uses the BPE (Byte Pair Encoding) algorithm to map high-frequency words to single Tokens.76% similarVerifiedToken segmentation design originates from tokenization algorithms such as Byte Pair Encoding (BPE).73% similarUnverifiedA token is the smallest unit of measurement for text processed by a model; OpenAI uses the BPE algorithm to encode high-frequency character combinations as single tokens, with approximately 75 English words equaling roughly 100 tokens.73% similar
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