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Kimi K3 is an 'Open Frontier Intelligence' model with 2.8T total parameters, 1M-token context, native multimodal input, Kimi Delta Attention (KDA), and Attention Residuals, live on Kimi.com, Kimi Work, Kimi Code, and API, with open weights promised by July 27, 2026.

Moonshot AI officially unveiled Kimi K3, a 2.8T-parameter open-weights model with a 1M-token context window and novel attention architecture, calling it 'Open Frontier Intelligence.' ✦ AI generated

Moonshot AI · Latent Space · 2026-07-17 · original ↗

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Moonshot officially introduced Kimi K3 as "Open Frontier Intelligence" with 2.8T total parameters, 1M-token context, native multimodal input, Kimi Delta Attention (KDA), and Attention Residuals, and said the model is live on Kimi.com, Kimi Work, Kimi Code, and API, with open weights promised by July 27, 2026

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▦ Moonshot AI ✳ Kimi Delta Attention ✳ Kimi K3

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Moonshot have released the weights for their 2.8 trillion parameter Kimi K3, a 1.56TB download on Hugging Face.Author · Simon Willison's Weblog · conf 85%

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Kimi K3 is Moonshot AI's most capable model to date, a 2.8 trillion parameter model being called the first open 3T-class model, surpassing DeepSeek's 1.6T v4 Pro.Simon Willison · Simon Willison's Weblog · conf 60%