Unverified50% confidenceSolutionExact time
Late injection keeps prefix caching effective by injecting content at the appropriate moment.
1
Sources
50%
Confidence
Long-term
Relevance
9/27/2026
First Seen
Sources
Related Entities
Related Claims
UnverifiedAnthropic's prompt caching feature allows caching of repeatedly occurring system prompts or code files to reduce input token costs.69% similarVerifiedPrefix Caching technology persistently stores already-computed KV vectors on the server side, allowing direct reuse when new requests share a large number of repeated prefixes with previous requests, with the matched portion billed at the cache price.68% similarUnverifiedAnthropic's Prompt Caching feature allows frequently repeated long contexts (such as system prompts, codebases, and documents) to be cached on the server side.66% similarUnverifiedTime to First Token (TTFT) refers to the time interval between a user submitting a request and the model outputting the first token, and is primarily constrained by the time cost of the prefill phase in which the model processes the input prompt.62% similarUnverifiedPrompt Caching refers to LLM service providers caching repeatedly occurring prefix content in requests, with cache hits reducing computational cost and latency.62% similar
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