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China's LongCat-2.0 Becomes the Biggest AI Model Without Nvidia Chips

Meituan unveiled LongCat-2.0, a 1.6 trillion parameter open-source LLM trained entirely on domestic hardware, signaling a major step in China's AI self-reliance.

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China's LongCat-2.0 Becomes the Biggest AI Model Without Nvidia Chips
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Key points

  • LongCat-2.0 is the first trillion-parameter model to complete both training and inference on Chinese chips.
  • It outperforms older models like Gemini 3.1 Pro on some benchmarks but trails GPT-5.5 and Opus 4.8.
  • The breakthrough highlights the viability of frontier-scale AI training on domestic hardware.
  • Software ecosystem and memory limitations remain challenges for China's AI stack.

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