Expired50% confidenceFactExact time
The KV Cache (Key-Value Cache) mechanism allows API requests sharing the same prefix to reuse already-computed Key and Value vectors, thereby significantly reducing inference costs.
1
Sources
50%
Confidence
Medium-term (~90 days)
Relevance
7/2/2026
First Seen
This claim has expired. It is kept for the record and no longer describes the current state.
Valid until: 9/30/2026(expired)
Sources
DeepSeek + Resonix: A Low-Cost AI Coding Solution — 150 Million Tokens for Just $1.10
bilibili晚烟安安6/21/2026
Related Claims
VerifiedKV Cache通过将已计算的键值对持久化存储，使相同Prompt前缀的后续请求可直接复用，跳过重复的矩阵运算80% similarUnverifiedPrompt Caching通过复用相同前缀内容的Key和Value矩阵来降低推理成本，Agent类应用因高频迭代和长上下文交互天然适合缓存优化74% similarUnverifiedIn the Prompt Cache mechanism, when the prefix content of an API request is identical to a previous one, the system reuses the already-computed KV cache to complete cache reads at a lower price, while cache write is the billing item for the first time content is written into the cache.74% similarUnverifiedAnthropic's Prompt Caching leverages the KV Cache mechanism in the Transformer architecture to reduce latency and cost by caching the key-value states corresponding to shared prompt prefixes.70% similarUnverifiedThe 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.70% similar
Cite This Claim
Stable URI
https://kongchang.com/claim/42884API
curl https://kongchang.com/api/v1/knowledge/claims/42884MCP
get_claim(id=42884)