Moonshot AI says new Kimi K3 open-source model can match OpenAI and Anthropic

China’s Moonshot AI unveiled Kimi K3, a 2.8-trillion-parameter model it plans to release open-source on July 27, arguing it can rival offerings from OpenAI and Anthropic. Third-party tests cited by the company show parity on several tasks, including web engineering, and Moonshot says the system is designed for minimal human oversight in coding and knowledge work. The launch underscores Beijing’s fast-closing AI gap with the U.S., arriving as Washington tightens scrutiny of “frontier” models and export controls following recent cybersecurity concerns. While K3’s size will demand heavy compute to run locally, its open availability could pressure proprietary business models; shares of Chinese rivals Zhipu and MiniMax fell sharply in Hong Kong after the announcement.

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