Expired60% confidenceFactExact time
Input tokens and output tokens are typically priced differently, and in multi-turn conversations, repeatedly passing in historical messages causes costs to accumulate linearly with conversation depth
2
Sources
60%
Confidence
Medium-term (~90 days)
Relevance
7/7/2026
First Seen
This claim has expired. It is kept for the record and no longer describes the current state.
Valid until: 10/5/2026(expired)
Sources
Harness驾驭工程：企业级AI编程的核心方法论与实战指南
bilibiliai大模型应用开发实战7/3/2026
Related Claims
UnverifiedToken billing is calculated based on the total volume of input and output; the longer a conversation, the more each call pays for an increasingly bloated history.85% similarUnverifiedClaude 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.76% similarVerifiedMajor vendors commonly adopt differentiated pricing for input tokens and output tokens, with output tokens typically costing 3–5 times more than input tokens.73% similarUnverifiedMany large language models apply different rates for input tokens and output tokens, with input rates being lower and output rates being higher.71% similar
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