The Chinese artificial intelligence startup that rattled the US tech industry with its model that nearly matched leading rivals, trained at a fraction of the cost? The latest Chinese AI model making waves was developed by a lesser-known startup called Moonshot AI. In just two days after launch, Moonshot suspended new subscriptions after demand overwhelmed its computing capacity.
The unexpected enthusiasm for Moonshot’s Kimi K3 model stems from its ability to match – and in some cases outperform – its most advanced US competitors, such as the latest iterations of OpenAI’s GPT and Anthropic’s Claude, for free. Now its rise is intensifying an already contentious race between the US and China to dominate cutting-edge AI. Washington has ramped up export restrictions against China in recent years to slow the country’s development of AI and chips that could power its military.
After Kimi K3 was released, US officials and Anthropic have again accused Moonshot of distilling American models, a technique in which one AI model is trained using outputs from another. Moonshot has denied the allegations. Still, the fears spreading among US companies and government officials underscore the stakes of the AI rivalry, and its far-reaching implications for economy, defense and national security.
More broadly, Kimi K3’s capabilities are renewing questions about the effectiveness of Washington’s tech export curbs. The new model also challenges an industry belief that leading-edge AI requires heavy spending on data centers and the advanced chips that the US has restricted access to. Moonshot has denied suggestions it used American models to train Kimi K3.
That allows developers to download it, modify it, and run it on their own servers for free, positioning it for easier adoption and a wider market globally. Constrained by limited access to AI hardware and investment compared with American firms, China has embraced so-called open models, in contrast to US rivals that mostly sit behind paid subscriptions. “Many organizations value the ability to self-host open …
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