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Sand.ai

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Series A++ RoundRMB 300M2026-09-29

Wangsu Science & Technology subscribed to Series A+ preferred shares for RMB 300 million (USD 44.4517 million) from its own funds, taking a 4.3963% stake; the total size of this round was not disclosed.

View funding history →
Total funding
RMB 140M
Data cutoff
2026-10-04

Company Profile

Sand.ai, founded in 2024, is a video generation foundation model company that independently developed the Magi-1 autoregressive video model and the GAGA-1 audio-video synchronized generation model, and released MAGI-2 Preview, the world's first trillion-parameter MoE video generation model. Founder Cao Yue is a Tsinghua Special Scholarship recipient and a core author of Swin Transformer. In September 2026, Wangsu Science & Technology subscribed to Sand.ai's Series A+ preferred shares for 300 million yuan.

Founded
2024
Headquarters
Beijing, China