Expired50% confidenceFactExact time
DeepSeek implements fully transparent automatic caching via prefix hash matching; as long as the prefixes of adjacent requests are completely identical at the byte level, caching takes effect automatically.
1
Sources
50%
Confidence
Medium-term (~90 days)
Relevance
7/21/2026
First Seen
Valid until: 10/19/2026(expired)
Sources
Related Claims
UnverifiedDeepSeek的缓存行为完全由前缀的字节级一致性决定，任何格式变化都会导致哈希不匹配使缓存失效79% similarUnverifiedDeepSeek's API uses a context disk caching mechanism where the server computes a hash of the request prompt prefix and persists the KV Cache, requiring no explicit declaration of cache fields.76% similarUnverifiedDeepSeek has implemented cross-request KV Cache sharing on the server side, allowing cache hits as long as multiple requests share a consistent prefix75% similarUnverifiedDeepSeek uses automatic prefix matching, and the price of cached tokens can be as low as 1/50 of the original price.72% similarUnverifiedDeepSeek V4 supports free switching between hybrid reasoning modes.68% similar
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