Verified75% confidenceFactExact time
The core principle of prompt caching is cross-request reuse of the KV Cache, where already-computed KV states can be cached and reused when multiple requests share the same prefix.
3
Sources
75%
Confidence
Long-term
Relevance
8/8/2026
First Seen
Sources
Databricks如何将AI编码成本砍掉70%：策略与启示
hackernewshackernews8/7/2026
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