Inside K3: How Stable Latent MoE and MLA Attention Are Designed

The article examines K3’s architecture—combining KDA, MLA, Stable Latent MoE and AttnRes—detailing the replacement of SwiGLU with SiTU‑GLU, the addition of RMSNorm for training stability, the Quantile Balancing load‑balancing scheme, and the trade‑offs behind its MLA and NoPE attention choices.

K3MLA AttentionMixture of Experts

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Inside K3: How Stable Latent MoE and MLA Attention Are Designed