M 138 company AI China DeepSeek 深度求索 Efficiency-focused open-weight frontier lab funded by High-Flyer est. 2023 homepage Observation notes Liang Wenfeng's lab; R1/V-series reshaped cost assumptions globally. People here (1) M 86 Liang Wenfeng 梁文锋 Founder, DeepSeek DeepSeek R1/V-series — reshaped global cost assumptions for frontier AI AI