Verified70% confidenceReleaseExact time
DeepSeek released DeepSeek-V4.1-Flash, a method that significantly compresses the memory required for KV cache.
4
Sources
70%
Confidence
Medium-term (~90 days)
Relevance
9/13/2026
First Seen
Valid until: 12/12/2026
Sources
Related Entities
Related Claims
UnverifiedDeepSeek'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.80% similarUnverifiedThe DeepSeek team fine-tuned on DeepSeek v4 flash and developed their own visual encoder, DeepSeek ViT.78% similarUnverifiedDeepSeek V3.2标称256K上下文，但实际使用中极易遗忘前文内容77% similarUnverifiedAfter DeepSeek halved the compression step from 4 to 2 in V4.1-Flash, the needle-in-a-haystack accuracy gap dropped from 40% to 6.1%, but the problem was not eradicated.74% similar
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