Moonshot AI has unveiled Kimi K3, a 2.8 trillion-parameter open-source AI model described as the world’s first open 3T-class model.
Hailed as the largest open-source AI model released to date, Kimi K3 follows Zhipu AI’s release of GLM-5.2 one month earlier.
Efforts are intensifying among Chinese AI developers to narrow the gap with leading U.S. AI companies, according to the South China Morning Post.
Designed for complex, long-horizon workflows, Kimi K3 features native vision capabilities and a one-million-token context window. This capability allows for longer coding sessions, large repositories, and workflows combining text, images, and other information, according to Moonshot.
The company positioned Kimi K3 to support scientific research workflows. It can create research reports with interactive visualizations, scientific analyses, and editable presentations. Its Widgets and Dashboard features allow users to create persistent, interactive workspaces.
The model completed a task in about two hours that would typically require one to two weeks of work by an experienced researcher.
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