Unverified50% confidenceFactExact time
OpenAI的API采用Token计费机制，Token约等于3/4个英文单词或1-2个中文字
1
Sources
50%
Confidence
Long-term
Relevance
7/18/2026
First Seen
Sources
Related Claims
UnverifiedOpenAI官方API的计费单位为token，一个token大约对应0.75个英文单词或0.5个汉字，输入与输出分别计费82% similarUnverifiedOpenAI、Anthropic等主流模型提供商均采用输入Token加输出Token的双向计费模式71% similarUnverifiedOpenAI采用短期Access Token配合长期Refresh Token的双Token策略进行会话管理68% similarUnverifiedOpenAI API按token用量计费，输出token通常比输入token贵2-3倍，因为生成过程是自回归的67% similarUnverifiedOpenAI、Google、Anthropic等主流AI厂商均采用SDK+API商业模式，按调用次数或Token消耗量计费67% similar
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