Meituan has released the weights for LongCat-Flash-Lite-Sparse, a new variant of its LongCat-Flash-Lite model. The update introduces LongCat Sparse Attention (LSA) to replace dense MLA and extends native context length support to 1 million tokens.

  • Replaces dense Multi-Head Latent Attention with LongCat Sparse Attention (LSA).
  • Natively supports context lengths of up to 1M tokens, compared to the previous 256k limit.
  • Weights are now available for download on Hugging Face.