DeepSeek v4.1 Flash Architecture Deep-Dive: Pushing KV Cache Compression to the Limit
mfiguiere · hn · 2026-09-17
A technical teardown of the rumored DeepSeek v4.1 Flash architecture, focusing on its aggressive KV cache compression. The post walks through the attention-layer design and cache organization that cut memory and bandwidth costs for long-context inference, arguing the design pushes compression further than prior DeepSeek releases while preserving quality — with implications for cheap local and edge deployment.
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