Expired50% confidenceBenchmarkExact time
Codex has a built-in Prompt Caching mechanism, and in practice the cache hit rate can reach 84% to 93%.
1
Sources
50%
Confidence
Medium-term (~90 days)
Relevance
7/18/2026
First Seen
Valid until: 10/16/2026(expired)
Sources
Related Claims
UnverifiedTraditional KV cache implementations pre-allocate contiguous GPU memory blocks of maximum length, resulting in an average of 60%–80% of pre-allocated memory being wasted.66% similarUnverifiedIn real-world testing of Codex integrated with DeepSeek V4 Pro, total token consumption was approximately 418,799, with a cache hit rate of approximately 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% similarUnverifiedMistral uses latent cache technology to compress an entire trajectory into a single training Token input, which reportedly can save approximately 22 times the computational overhead.63% similar
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