Unverified50% confidenceBenchmarkExact time
In typical RAG applications, sharing prefixes through prefix caching can save up to 60–80% of redundant computation.
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50%
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Long-term
Relevance
9/7/2026
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Related Claims
UnverifiedThe Prompt Caching mechanism can typically save 50%–90% of input costs.71% similarUnverifiedThe Prompt Caching mechanism can reuse the KV Cache of identical prefix contexts, typically reducing input token costs by 50%–90%.69% similarUnverifiedAnthropic's Prompt Caching feature grants a discount on the corresponding tokens if the fixed prefix portion of a request can reuse the cache.68% similarVerifiedOpenAI Prompt Caching can reduce the cost of repeated prefixes to 10%–25% of the original price.61% similarUnverifiedPrompt Caching可将公共前缀的KV Cache持久化存储，成本可降至普通输入的10-20%60% similar
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