Unverified50% confidenceTradeoffExact time
The output totaled 1.2 million Tokens; output Tokens cannot be amortized through caching, so controlling output length and reducing the number of turns are key to lowering Agent usage costs.
1
Sources
50%
Confidence
Long-term
Relevance
10/21/2026
First Seen
Sources
Related Entities
Related Claims
UnverifiedCache hits reduce the billing rate per request, not the absolute amount of tokens consumed.76% similarUnverifiedThe reduction in compressed input tokens (49.5%) is greater than the reduction in total cost (35.6%), because output tokens, caching, and fixed overhead do not decrease proportionally with input compression.72% similarUnverifiedOpenAI reports cached input tokens in usage.prompt_tokens_details.cached_tokens, and the billing rate is lower; ignoring this causes costs to be overestimated.72% similarUnverifiedOverly long system prompts bring hidden overhead: for example, when the system prompt has 500 tokens while the actual input has only 50 tokens, it means 91% of the cost goes to boilerplate text; auditing and trimming the system prompt by 40% can reduce costs.72% similar
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