Xiaomi's MiMo sparsity upgrade seen as mirroring DeepSeek's NSA-to-DSA move

teortaxesTex · x · 2026-09-24

Observers note Xiaomi's MiMo models are skipping a generation: V2.6 still uses the 2025-style MiMo Hybrid-SWA design, while HySparse—like NSA and MoBA—is a published research idea turned into engineering. The key change in HySparse2 is moving from block sparsity to token-level sparsity, seen as exactly DeepSeek's move from NSA to DSA (token top-k) in V3.2-Exp. HySparseV2 reads as a more cautious cousin of a future V4.1, keeping YOCO and full-attention backbone layers while gaining prefill and memory efficiency. Third-party analysis, not official.

Related event: Xiaomi's MiMo-V3 to Adopt New HySparse2 Architecture(3 posts)→

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