MoE handbook: Kimi, DeepSeek, GLM all use 4-bit QAT; DeepSeek EP64 decode 25% faster

Nouamanetazi · x · 2026-11-06

Chapter 4 of the MoE Training Handbook covers serving: Kimi K3 quantized its routed experts to MXFP4 via SFT and RL, while DeepSeek-V4 and GLM-5 use 4-bit QAT after pretraining.

DeepSeek decodes V4.1-Flash at EP64–EP128, roughly 25% ahead of EP8 per GPU at 64 requests per GPU.

Related event: Hugging Face Releases Free MoE Training Handbook Built on 800K GPU Hours(20 posts)→

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