Expired50% confidenceFactExact time
Prompt Caching is a server-side optimization mechanism introduced by Anthropic in 2024, achieving approximately 90% token discounts, requiring the prefix bytes to be completely identical and meeting a minimum length threshold of approximately 1024 tokens.
1
Sources
50%
Confidence
Medium-term (~90 days)
Relevance
7/15/2026
First Seen
This claim has expired. It is kept for the record and no longer describes the current state.
Valid until: 10/13/2026(expired)
Sources
Related Claims
UnverifiedAnthropic's Prompt Caching requires that prefix content be byte-for-byte identical and meet a minimum length threshold of approximately 1,024 tokens, delivering approximately a 90% token discount.84% 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76% 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%74% similarUnverifiedOpenAI 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.72% similarUnverifiedAnthropic's Prompt Caching feature grants a discount on the corresponding tokens if the fixed prefix portion of a request can reuse the cache.71% similar
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