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Shanghai Rixingji develops large language models, AI infrastructure, and custom intelligent systems for businesses.
Founded in 2025 in Shanghai, China, Shanghai Rixingji develops large-scale pretrained models, AI infrastructure software, and custom intelligent systems for businesses. Founder Sun Tianxiang holds a Ph.D. in computer science from Fudan University and participated in development of MOSS. In August 2025, the company closed an Angel funding round with Ascension, Gaorong Ventures, HSG, Lighthouse Capital, MiraclePlus, ZULUTION INTELLIGENCE, and other investors participating.
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