阶跃星辰完成超50亿元B+轮融资创新纪录，官宣印奇正式出任公司董事长

Core Insights - StepFun, a Shanghai-based AI startup, has appointed Yin Qi as chairman to lead strategic and technological directions, marking a significant leadership change [2] - The company has completed a B+ round financing of over 5 billion RMB, setting a record for the highest single financing in China's large model sector in the past 12 months [2] - The funding will be utilized for foundational model research and to accelerate the implementation of the AI + terminal strategy [2] Strategic Focus - StepFun is committed to the "foundational large model" and "AI + terminal" strategies, leveraging unique algorithms and system capabilities to achieve world-leading levels in language and multimodal models [3] - The company has released three generations of foundational large models, with Step 3 achieving a new industry high in inference efficiency [3] - StepFun is advancing in both multimodal (voice, image, etc.) and edge-cloud integration, transitioning models from understanding the world to actively interacting with it [3] Application and Market Performance - The company has successfully established a commercial loop in key consumer scenarios such as automotive and mobile, demonstrating a head effect [4] - As of the end of 2025, the API call volume for its terminal Agent has grown nearly 170% over three consecutive quarters [4] - In the mobile sector, 60% of leading domestic smartphone brands have partnered with StepFun, with over 42 million units of its models installed, serving nearly 20 million users daily [4] - In the automotive sector, StepFun has collaborated with Qianli Technology and Geely to launch the first end-to-end voice model in an intelligent cockpit, with the Geely Galaxy M9 selling nearly 40,000 units within three months of its launch [4] - The company anticipates that its large models will be integrated into over one million vehicles this year [4] Competitive Landscape - The large model sector is transitioning from a "hundred model battle" to a "head-to-head competition" phase, with the recent financing and leadership change providing a critical acceleration for StepFun's development [4]