Chinese AI video generation startup Sand.ai raised $200M in Series A extension round, achieving unicorn status with over $1B valuation. CoStone Capital and Wangsu Science & Technology led the deal.
Amount Raised
$200 Million
Round Type
Series A
BeijingVideoArtificial IntelligenceMachine LearningInvestors
Description
Sand.ai, a Beijing-based AI startup specializing in video generation, completed a Series A+ extension round of $200 million, bringing the company's valuation to over $1 billion and achieving unicorn status. The round was led by Chinese investment firm CoStone Capital and Shenzhen-listed Wangsu Science & Technology, with participation from Pudong Venture Capital Group, Shanghai International Group's investment arm, and existing investors including iMPC, CAS Star, and HyT Capital. This marks Sand.ai's third funding round in 2026, bringing total fundraising over the past 10 months to $300 million. The startup, founded in early 2024 by Tsinghua PhD graduate Cao Yue, develops generative video models including Magi-1 and GAGA-1 to democratize high-quality video content creation.
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