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LongCat-2.0 from Meituan is now fully open-sourced under MIT license, with model weights and inference code released.
Nathan Lambert shares his visit to Meituan and highlights their open model development approach. Meituan's LongCat team announces LongCat-2.0, a 1.6T parameter MoE model with 48B active parameters and 1M context, built for agentic coding and available on OpenRouter.
LongCat-2.0, a model update, is being released on Hugging Face soon.
The second phase of the LongCat-2.0-Preview closed beta has begun, with limited access slots opening daily at 09:00 Beijing Time.