Open weights vs. closed: An AI civil war's afoot, and the stakes are existential

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ZDNET's key takeaways

  • The conflict between open and closed large language models is on.
  • Open weights and open source are not the same, but open weights are the future.
  • On the proprietary side are Anthropic and OpenAI; on the other, most everyone else.

The open-weight Moonshot AI's Kimi K3 is faster than Anthropic Fable 5 in some ways, and is nearly as fast as Fable 5 and OpenAI's GPT-5.6 in others. That's fast. And that has some American AI companies and the Trump administration worried.

Michael Kratsios, Trump's director of the Office of Science and Technology Policy, has claimed that "Moonshot AI distilled Anthropic's Fable for the development of its K3." In short, he's suggesting that China's Moonshot stole from Anthropic. That's not how everyone sees it. Many US AI companies see Moonshot's open-weight methods as perfectly legitimate.

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