Unverified50% confidenceSolutionExact time
建议在应用层独立记录 Token 消耗，使用开源 tokenizer 库（如 tiktoken）本地预计算预期 Token 数与账单交叉校验
1
Sources
50%
Confidence
Long-term
Relevance
8/22/2026
First Seen
Sources
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UnverifiedClaude Code's API billing typically prices input tokens and output tokens separately; the linear accumulation of input tokens across conversation turns is the primary driver of cost inflation in long tasks.63% similarUnverifiedOutput Tokens are typically 2-4x more expensive than input Tokens because generation requires autoregressive decoding Token by Token, with each generated Token requiring a complete forward pass computation62% similarVerifiedIn API billing, the unit price of output tokens is generally higher than that of input tokens, because the generation process requires autoregressive inference token by token61% similarUnverifiedAPI Tokens support setting spending limits to prevent overuse.61% similarUnverifiedMany large language models apply different rates for input tokens and output tokens, with input rates being lower and output rates being higher.61% similar
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