[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"$f2k6tidi90e384":3},[4],{"slug":5,"title":6,"description":7,"pub_date":8,"tags":9,"draft":14},"what-is-a-token-in-large-language-models","什么是 Token：大模型如何切分、计量和理解文本","从分词器、词表和上下文窗口出发，解释 Token 如何影响大模型的成本、速度与工程设计。","2026-07-10",[10,11,12,13],"AI","大模型","Token","工程实践",false]