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Moonshot AI·Jul 16, 2026·K3·paid

Kimi K3

Kimi K3 is a 2.8T-parameter open-source model designed for frontier-level intelligence across coding, reasoning, and complex knowledge work. It features native multimodal capabilities, a 1-million-token context window, and advanced architectural innovations like Kimi Delta Attention and Stable LatentMoE.

featured on blogLarge Language ModelOpen SourceAgentic AIMultimodal
on the blogCognition Releases SWE-2 Coding Model Based on Kimi K3 4 min
overview

Kimi K3 is a 2.8T-parameter open-source model designed for frontier-level intelligence across coding, reasoning, and complex knowledge work. It features native multimodal capabilities, a 1-million-token context window, and advanced architectural innovations like Kimi Delta Attention and Stable LatentMoE.

key features
  • 012.8T-parameter open-source model with 1M-token context window
  • 02Advanced Kimi Delta Attention (KDA) and Attention Residuals (AttnRes) architecture
  • 03Native multimodal capabilities for text, image, and video processing
  • 04Optimized for long-horizon coding, 3D reasoning, and agentic workflows
  • 05Supports disaggregated inference via Mooncake architecture
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