Unverified50% confidenceBenchmarkExact time
Codex内置Prompt Caching缓存机制，实测缓存命中率可达84%至93%
1
Sources
50%
Confidence
Medium-term (~90 days)
Relevance
7/18/2026
First Seen
Valid until: 10/16/2026
Sources
Related Claims
Unverified传统KV缓存实现预先分配最大长度连续显存块，导致平均60%-80%的预分配内存被浪费66% similarUnverifiedCodex接入DeepSeek V4 Pro实测总Token消耗约418,799，其中缓存命中率约96.7%66% similarUnverified传统LLM推理中KV Cache的内存管理导致60%-80%的显存被浪费65% similarUnverified量化KV Cache（压缩为INT8或INT4）可将缓存内存降低50-75%，但主流推理框架支持成熟度参差不齐64% similarUnverifiedMistral 采用潜在缓存（latent cache）技术将整条轨迹压缩为一次训练的 Token 输入，据报道可节省约 22 倍的计算开销63% similar
Cite This Claim
Stable URI
https://kongchang.com/claim/552249API
curl https://kongchang.com/api/v1/knowledge/claims/552249MCP
get_claim(id=552249)