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Illustration of a robot librarian facing a vast wall of glowing doorways with only a few lit, representing Kimi K3's mixture-of-experts architecture

Kimi K3 Explained: Inside the Biggest Open AI Model Ever — and the Piece It Dared to Delete

Moonshot AI's Kimi K3 is a 2.8-trillion-parameter open-weight model with a million-token context — and it removed a component every other frontier LLM depends on. Here's what's actually new inside, explained without math.

Jul 29, 2026