#open weight

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Moonshot Launches Kimi K3: Largest Open-Weight AI Model at 2.8 Trillion Parameters
AI Research Jul 26, 2026

Moonshot Launches Kimi K3: Largest Open-Weight AI Model at 2.8 Trillion Parameters

Moonshot AI released Kimi K3 as the largest openly available AI model with 2.8 trillion parameters. The model's open-weight release triggered a market sell-off in Chinese AI stocks, with Z.ai falling 30% and MiniMax dropping 16%.