LongCat Flash Thinking
Meituan's LongCat Flash Thinking: 560B MoE with 27B active, MIT licensed
Meituan released LongCat Flash Thinking, an open-source reasoning MoE with 560B total parameters and only 27B active, under an MIT license. It continued the run of large sparse Chinese open-weights models offering frontier-style reasoning at low active-parameter cost.