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LongCat-2.5 Open Weights vs Kimi K3.1 Pro: MIT Wins

On 10 November 2026 Meituan published the LongCat-2.5 open weights on Hugging Face under the MIT licence: a 1.6 trillion parameter mixture-of-experts model with about 48 billion parameters active per…

  • Meituan released LongCat-2.5 model weights on Hugging Face under MIT license on November 10, 2026.
  • Model has 1.6 trillion parameters with 48 billion active per token, repository size 3.56 TB.

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