The LongCat 2.0 model, featuring a 1.6 trillion parameter architecture with approximately 48 billion active parameters, has released its weights under an MIT license.

  • The model is available via Hugging Face from the meituan-longcat organization.
  • Technical details and blog posts regarding the release are hosted on longcat.chat.
  • The announcement was shared by elie on X and ModelScope on X.