# Step 3.7 Flash — price & specs

Source: https://modelbank.ai/models/step-3.7-flash · updated 2026-11-12 · ModelBank

| Field | Value |
|---|---|
| Vendor | StepFun |
| Input price | $0.2 / 1M tokens |
| Output price | $1.15 / 1M tokens |
| Cached input | $0.04 / 1M tokens |
| Context window | 262,144 tokens |
| Max output | 230,400 tokens |
| Input modalities | text,image,video |
| Reasoning / tool use | yes / yes |
| Intelligence / coding index | — / 39.6 |
| Released | 2026-05-28 |
| Retirement date | none announced |

## About

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...

## Price history

- 2026-09-24: $0.2 in / $1.15 out


JSON: https://modelbank.ai/api/v1/models/step-3.7-flash