Unverified50% confidenceFactExact time
Prefix caching is provided directly by model providers such as Anthropic and OpenAI, retaining the KV activation state of a static prompt prefix and reusing precomputed attention states, but it still incurs provider latency and network transmission overhead, with typical read latency of 200ms-1500ms.
1
Sources
50%
Confidence
Medium-term (~90 days)
Relevance
10/15/2026
First Seen
Valid until: 1/13/2027
Sources
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