DeepSeek-V4.1-Flash leaks: 552B backbone activating just 8B, 8x less KV cache
bodonoghue85 · x · 2026-09-10
SemiAnalysis congratulated DeepSeek on releasing DeepSeek-V4.1-Flash (third-party, unconfirmed): a 552B causal encoder-decoder activating only 8B params at prefill and 16B at decode, a 196B Engram memory accessed via sparse lookups, and 8x less persistent KV cache than V4-Flash through bounded replay.
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