Introduction of Kimi K3, a New 2.8 Trillion Parameter AI Model

Jul 16, 2026

AI Summary

Kimi has launched Kimi K3, its most advanced AI model with 2.8 trillion parameters, designed for complex coding, knowledge work, and reasoning tasks. While it does not surpass the performance of proprietary models, it shows significant capabilities in long-horizon coding and visual reasoning.

Kimi K3 is a 2.8 trillion parameter AI model featuring native vision capabilities and a 1-million-token context window.
It is the first open model to reach 2.8 trillion parameters and aims to enhance frontier intelligence in various applications.
The model is built on Kimi Delta Attention and Attention Residuals, which improve information flow and scaling efficiency.
Kimi K3 is available on multiple platforms, including Kimi.com and Kimi API, with full model weights expected by July 27, 2026.
Initial evaluations show Kimi K3 performing competitively against other models, particularly in coding tasks and visual reasoning.
It has demonstrated strong capabilities in long-horizon coding, allowing it to operate with minimal human oversight and manage extensive coding tasks.
Kimi K3 can autonomously create software, exemplified by its development of a GPU programming system and a browser-based 3D exploration game.
The model has shown effectiveness in scientific research, completing complex tasks significantly faster than experienced researchers.
New features in Kimi Work include Widgets and Dashboard for enhanced user interaction and visualization.
Kimi K3 excels in motion design and video editing, showcasing its multimodal capabilities by creating animated content and editing videos autonomously.
Technical details regarding Kimi K3's architecture and training methods will be released in an upcoming technical report.

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Introduction of Kimi K3, a New 2.8 Trillion Parameter AI Model

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