Step 5 Preview
StepFun · China
StepFun agentic flagship preview
- Release month
- Field
- Chat
- Availability
- open-weight
- Parameters
- 600B-A27B
- License
- other
Overview
- Registered on Hugging Face September 20, 2026 · Open weights · 600B-A27B
- Focus on software engineering and finance · Text, image and video input · Up to 1M
View official announcement ↗
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