Understanding Mixture-of-Experts (MoE) in Simple Terms
Nov 24, 2025 · 4 min read · Why MoE Can Have Many FFNs Yet Use Less Memory & Compute Large Language Models (LLMs) like GPT-OSS, Mixtral, and DeepSeek-V3/R1 use Mixture-of-Experts (MoE) layers to massively expand model capacity without increasing inference cost. But the mechanis...
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