StepFun: Step 3.7 Flash
stepfun/step-3.7-flash
Context: 262,144In: $0.20/1MOut: $1.15/1MUpdated 2026-10-04
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...
Intelligence
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Coding
39.6
Agentic
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Metric profile
Trend over time
Design Arena (ELO by category)
| Category | ELO | Win rate | Rank |
|---|---|---|---|
| website | 1202 | 44.3% | #56 |
| codecategories | 1187 | 42.7% | #57 |
| uicomponent | 1185 | 42.3% | #59 |
| dataviz | 1179 | 42.9% | #62 |
| gamedev | 1171 | 39% | #63 |
| asciiart | 1163 | 45.1% | #37 |
| 3d | 1144 | 40.8% | #68 |
| svg | 1080 | 37.2% | #64 |