TokenToken
Token
解决什么问题What problem it solves
模型处理文本的最小单位。计费和长度限制都按它算。The smallest unit a model processes text in. Both billing and length limits are measured in it.
这是什么What it is
模型把文本切成的片段，一个 token 大约是四分之一个英文单词，或一到两个汉字。
上下文长度、API 报价都以 token 为单位。
The pieces a model splits text into. One token is roughly a quarter of an English word, or one to two Chinese characters.
Context length and API pricing are both denominated in tokens.
为什么需要知道Why it matters
这是最容易被忽略却最影响账单的词。「我的上下文够不够」「为什么这么贵」，答案都在它。The most easily overlooked word that most affects your bill. "Is my context enough" and "why is this so expensive" are both answered here.
别名Chinese aliases
词元
现在能做什么What you can do now
把 Token 接到成本算式Connect tokens to the cost worksheet ↗
回到名词地图看第1站的其他 34 个词 →Back to the map: the other 34 terms in station 1 →
出处Sources
- Anthropic 官方：Token 计数Anthropic: token counting docs ↗