Unverified50% confidenceFactExact time
DeepSeek's V4.1-Flash uses a causal encoder-decoder setup, achieving an 890-byte-per-token KV cache through compressed sparse attention 2 and FP4 main KV cache.
1
Sources
50%
Confidence
Long-term
Relevance
10/17/2026
First Seen
Sources
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Related Claims
UnverifiedDeepSeek released DeepSeek-V4.1-Flash, a method that significantly compresses the memory required for KV cache.80% similarUnverifiedDeepSeek 4.1 Flash adopts an encoder-decoder architecture, where the encoder creates a shared global memory and the decoder reads information from it.79% similarUnverifiedDeepSeek V4.1 Flash lets the read and write paths share the same KV state: the read phase establishes and updates this memory, and the generation phase directly reuses it, rather than starting another cache.78% similarUnverifiedDeepSeek V3.2标称256K上下文，但实际使用中极易遗忘前文内容72% similarVerifiedDeepSeek V4.1 Flash adopts a Causal Encoder-Decoder asymmetric architecture with a total parameter count of 552B.71% similar
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