Unverified50% confidenceFactExact time
The reasoning tokens produced by reasoning models share the same max_tokens budget as the final output, and they are billed as usual even if the visible reply is an empty string.
1
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50%
Confidence
Long-term
Relevance
10/15/2026
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Related Claims
UnverifiedLarge models are billed by the number of input plus output Tokens for each inference.79% similarUnverifiedReasoning mode performs internal chain-of-thought reasoning before the final answer, and the thinking tokens generated are billed; in complex programming tasks, thinking tokens may account for 60%–70% of total consumption, and costs may be 3–5 times that of normal mode.78% similarUnverifiedThe budget reasoning mechanism allows developers or systems to set an upper limit on thinking tokens per request, making an explicit trade-off between response latency and reasoning depth76% similarUnverifiedEach model invocation calculates both input tokens and output tokens simultaneously, and both together determine the cost of a single call.74% similarVerifiedReasoning budget refers to the upper limit on the number of intermediate reasoning tokens a chain-of-thought model is allowed to consume before generating a final answer; the higher the budget, the deeper the self-reflection and multi-step verification the model can perform.73% similar
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