DeepSeek v4.1 flash's insane cache hit rate shines in multi-billion-token sessions
teortaxesTex · x · 2026-09-13
Commenters highlight DeepSeek v4.1 flash's remarkably high prompt-cache hit rate in the Zcode coding harness, attributing it to DeepSeek's cache engineering — performance holds even in extremely long sessions burning billions of tokens.
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