StepFun: Step 3.7 Flash
- Model ID
- stepfun/step-3.7-flash
- Canonical slug
- stepfun/step-3.7-flash-20260528
- Knowledge cutoff
- n/a
- Created
- 5/28/2026
Step 3.7 Flash is StepFun's latest high-efficiency multimodal Mixture-of-Experts model. It pairs a 196B-parameter language backbone with a vision encoder for native image and video understanding, activating roughly 11B parameters...