Kimi's open model K3 nears GPT-5.6 Sol and Fable 5 while signaling the end of super cheap Chinese AI

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Kimi is launching K3, a multimodal open-weight model with 2.8 trillion parameters and one million tokens of context.

In the company's own benchmarks, it comes close to Claude Fable 5 and GPT 5.6 Sol while beating Opus 4.8 and GLM 5.2, in some cases by a wide margin.

The model is also significantly pricier than its predecessor.

Full weights are scheduled for release by July 27.

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