Unverified50% confidenceDecision RuleExact time
The break-even hit rate formula for semantic caching is H_min = (C_embed + C_vector) / C_llm, where C_embed is the embedding generation cost, C_vector is the amortized vector search cost, and C_llm is the upstream model call cost.
1
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50%
Confidence
Long-term
Relevance
10/15/2026
First Seen
Sources
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