MoonshotAI Ships Kimi K3, First Open 3T-Class MoE Model

Moonshot released Kimi K3, an open-weights 2.8 trillion parameter mixture-of-experts model, claiming 2.5x scaling efficiency over its predecessor through architectural innovations including Kimi Delta Attention and Stable LatentMoE. The release includes open-source infrastructure (attention kernels, MoE communication library, agent environment tools) alongside model weights, potentially lowering deployment barriers for trillion-scale MoE systems.

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