Unverified50% confidenceFactExact time
上下文缓存允许将已处理长文档前缀的KV缓存保存在服务端复用，部分提供商缓存命中的token折扣高达90%
1
Sources
50%
Confidence
Long-term
Relevance
7/9/2026
First Seen
Sources
The Complete Guide to GLM-5.2: Hands-On Review of an Open-Source Long-Context Model
bilibili英文白斑马7/4/2026
Related Claims
UnverifiedContext caching mechanisms can reduce API costs by 60%–80% for enterprise applications that repeatedly query the same knowledge base, with some providers offering cache-hit token discounts as high as 90%.71% similarVerifiedAnthropic的Prompt Caching功能允许将重复出现的长上下文缓存在服务端，缓存token的计费价格仅为标准输入价格的10%69% similarUnverifiedGemini's Context Caching feature can save up to 90% of API call costs for long files that are queried repeatedly.68% similarUnverifiedThe Prompt Caching mechanism can typically save 50%–90% of input costs.67% similar
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