Why China is giving away its best AI models

Chinese startup Moonshot AI released its Kimi K3 model, which reportedly outperforms top US systems at a lower cost. Unlike proprietary models, Moonshot is releasing the weights for free, specifically targeting US users. This move has heightened concerns in Silicon Valley about the dominance of closed American AI models as capable open-weight alternatives gain traction.

People visit the booth of Kimi, an LLM developed by the Chinese startup Moonshot, during the World AI Conference in Shanghai, China, July 20th. | Image: LONG WEI/ Feature China/Future Publishing via Getty Images

Silicon Valley has spent much of the past week on red alert, digesting the arrival of Moonshot AI's Kimi K3, a Chinese AI model that can allegedly beat some of the best systems built by US companies at a fraction of the cost.

Its performance alone would have been enough to intensify the rivalry between the US and China. But Moonshot's plan to release the model's weights for free - and its clear targeting of US users - has fueled deeper unease about whether closed American models can continue to dominate as increasingly capable open alternatives enter the market.

Open-weight models give developers far greater control than proprietary syst …

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