Unverified50% confidenceDecision RuleExact time
Cache matching typically requires an exact prefix match (including the token sequence), which is why developers need to place stable content at the front of the prompt and keep the order unchanged.
1
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50%
Confidence
Long-term
Relevance
9/23/2026
First Seen
Sources
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Related Claims
UnverifiedPrefix matching requires that only a contiguous sequence starting from the first token that is completely identical can hit the cache.79% similarUnverifiedPrompt caching uses a strict prefix-matching strategy; once a mismatch occurs at a given position, all cached content after that position is invalidated.67% similarUnverifiedMature matching systems typically adopt a two-stage architecture: embedding similarity for coarse recall (Top-K), followed by a cross-encoder or large language model for fine-grained reranking.65% similarUnverified当数据是无序集合（调换行的位置不影响分类结果）时，应使用排列不变（permutation-invariant）架构63% similarUnverifiedSync-in 2.5 optimizes search accuracy for scenarios involving dates, email addresses, hyphenated phrases, Unicode characters, and prefix matching.63% similar
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