Verified65% confidenceFactExact time
OpenAI Prompt Caching can reduce the cost of repeated prefixes to 10%–25% of the original price.
3
Sources
65%
Confidence
Medium-term (~90 days)
Relevance
7/21/2026
First Seen
Valid until: 10/19/2026
Sources
Related Claims
UnverifiedOpenAI launched the Prompt Caching feature in 2024; when the prompt prefix is completely identical and exceeds the 1,024-token threshold, the KV Cache is reused, and the cached portion is typically billed at 25% of the original price or even lower.78% similarUnverifiedOpenAI has introduced a prompt cache breakpoint mechanism that allows developers to manually specify cache breakpoints, with cache-hit portions typically billed at a discounted rate of 10%–25% of the original price.76% 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%76% similarUnverified缓存定价对重复输入内容给予折扣，在Agent反复调用场景中能大幅降低实际成本74% similarUnverifiedBy caching repeated identical queries locally or in Redis, costs can be reduced by 40%–60%.74% similar
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