StepFun
#22▲1
CHINAOpen SourceConfidence: LOW
China's AI Tiger company building the largest open-source video generation models
Website →Founded 2023
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Overall
Text
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Coding
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Reasoning
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Image
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Video
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Multimodal
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Agents
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About
China's AI Tiger company building the largest open-source video generation models
Pillar Breakdown
Why They Moved
▲ 1pos
- StepFun Raises $719M
- Step-Video 30B Open-Source
Pillar Scores
Capability70
Velocity72
Adoption & Distribution42
Compute & Efficiency52
Ecosystem & Partnerships42
Trust / Safety / Access50
Timeline
💰
Aug 10, 2025
StepFun Raises $719M
Series B+ of ~$719M to enhance foundation models, backed by Tencent.
🚀
Feb 20, 2025
Step-Video 30B Open-Source
World's largest open-source video model at 30B parameters, bilingual English/Chinese.