Expired50% confidenceFactExact time
Anthropic'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.
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
UnverifiedPrompt 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.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77% similarVerifiedAnthropic's Prompt Caching feature can reduce the input cost for repeated prefixes by approximately 90%.76% similarUnverifiedThe Prompt Caching feature introduced by Anthropic in 2025 offers a 90% price discount for repeatedly occurring prefix contexts, but only applies to consecutive requests within the same session or from the same user.73% similarUnverifiedAnthropic's Prompt Caching feature grants a discount on the corresponding tokens if the fixed prefix portion of a request can reuse the cache.72% similar
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