Unverified50% confidenceFactExact time
A Prompt Caching cache hit read costs only 0.1 times the base input price, while the initial write cost is 2 times the regular input price.
1
Sources
50%
Confidence
Medium-term (~90 days)
Relevance
9/2/2026
First Seen
Valid until: 12/1/2026
Sources
Related Entities
Related Claims
UnverifiedThe cost of cache reads should, by industry convention, be approximately one-tenth that of regular input tokens.76% similarUnverifiedPrompt Caching在提示词前缀完全相同且超过约1024 token阈值时命中，缓存token通常按原价的25%甚至更低计费71% similarUnverifiedThe Prompt Caching mechanism can typically save 50%–90% of input costs.71% similarVerifiedOpenAI Prompt Caching can reduce the cost of repeated prefixes to 10%–25% of the original price.68% similarUnverifiedThe Prompt Caching mechanism can reuse the KV Cache of identical prefix contexts, typically reducing input token costs by 50%–90%.68% similar
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