Meituan Open-Sourced a 1.6T Parameter Model. Here Is What Makes LongCat-2.0 Worth Watching. No Comments on Meituan Open-Sourced a 1.6T Parameter Model. Here Is What Makes LongCat-2.0 Worth Watching. 3 Min Read Meituan open-sourced LongCat-2.0: a 1.6T sparse MoE model with 48B active params and million-token context. Here is what makes it worth testing.