V4.1 Flash KV cache is 437x smaller than V1, easing China's memory bottleneck
ChrisGPT · x · 2026-09-10
Follow-up on DeepSeek V4.1 Flash: KV cache compressed to just 890 bytes/token — 437x smaller than DeepSeek V1. Since one of China's biggest bottlenecks is memory, this means dramatically more concurrent context fits in the same HBM, boosting inference throughput and concurrency.
Related event: DeepSeek V4.1 Flash Shrinks KV Cache 437x, Sparking HBM Debate(2 posts)→
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