The AI division of Chinese food-delivery giant Meituan has open-sourced LongCat-2.0, a Mixture-of-Experts model with 1.6 trillion total parameters, under the permissive MIT license. The model repository went live on Hugging Face, with weight files and inference code fully released around July 5, 2026. The model dynamically activates an average of roughly 48B parameters per token (33B–56B) and natively supports a 1-million-token context window.
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