Unverified50% confidenceFactExact time
Claude 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.
1
Sources
50%
Confidence
Medium-term (~90 days)
Relevance
7/24/2026
First Seen
Valid until: 10/22/2026
Sources
6个开源工具系统补齐Claude Code五大短板
bilibiliNixAI7/8/2026
Related Claims
VerifiedIn 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 token80% similarUnverifiedToken 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.77% similarUnverifiedInput 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 depth76% similarPartially VerifiedToken consumption directly correlates with API call costs in large language model usage.74% similarUnverifiedAPI output tokens typically cost 2-5x more than input tokens because text generation requires more computational resources, with each generated token requiring a complete autoregressive decoding process.74% similar
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