StepFun releases Step-3.5-Flash
A hundred-billion-scale open model from StepFun tuned for lower generation latency and faster token throughput.
ST1 English report
MODEL
Step-3.5-Flash
- Release date:
- 2026-02-01
- Parameters:
- 196B MoE
- Legacy modality:
- Text
- Openness:
- Open-source
- Organization:
- StepFun
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