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Stepfun is a Chinese company specializing in artificial intelligence (AI), founded in April 2023. The company focuses on developing large AI models with the goal of advancing artificial general intelligence (AGI) through unified multimodal understanding and reasoning. Stepfun has launched several advanced AI models, including Step-2, a groundbreaking language model with one trillion parameters based on the Mixture of Experts (MoE) architecture; Step-1.5V, a powerful large multimodal model; and Step-1V, an innovative image generation model. In December 2024, Stepfun secured "hundreds of millions of dollars" in a Series B funding round led by Fortera Capital, a private equity firm under Shanghai State-owned Capital Investment Co. Other investors included Tencent Holdings and Qiming Venture Partners. This funding will support the development of the company's foundational AI models and strengthen their consumer-focused product portfolio. For more information about Stepfun's latest projects and innovations, visit their official website: https://www.stepfun.com/.