StepFun: Step 3.7 Flash
stepfun/step-3.7-flash
Context: 262,144In: $0.20/1MOut: $1.15/1MUpdated 2026-08-05
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
30.3
Coding
39.6
Agentic
21.5
Metric profile
Trend over time
Intelligence
30.3
Coding
39.6
Agentic
21.5
Only 1 snapshot so far (data refreshes daily) — the trend line appears after the 2nd snapshot.
Design Arena (ELO by category)
| Category | ELO | Win rate | Rank |
|---|---|---|---|
| website | 1212 | 46% | #48 |
| uicomponent | 1204 | 43.7% | #46 |
| codecategories | 1203 | 44.6% | #49 |
| dataviz | 1199 | 45.5% | #48 |
| gamedev | 1196 | 42% | #48 |
| asciiart | 1192 | 46.5% | #24 |
| 3d | 1176 | 41.7% | #55 |
| svg | 1115 | 38.6% | #53 |