Unverified50% confidenceFactExact time
OpenAI支持自动前缀缓存，折扣幅度约为50%
1
Sources
50%
Confidence
Short-term (~14 days)
Relevance
8/20/2026
First Seen
Valid until: 9/3/2026
Sources
Related Claims
UnverifiedAnthropic和OpenAI推出的提示词缓存功能作用于服务端，对相同长前缀内容提供50-90%的价格折扣76% similarUnverified通过API按量调用相比分别订阅多个AI服务通常能节省50%以上的费用73% similarUnverifiedOpenAI引入提示缓存断点机制，允许开发者手动指定缓存断点，缓存命中部分计费通常可打折至原价的10%~25%72% similarVerifiedOpenAI Prompt Caching 可将重复前缀的缓存成本降至原价的10%-25%69% similarUnverified缓存命中可以约50%的折扣完成计费，缓存读取等其他项目保持不变69% similar
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