SFAI / MODEL PROFILE
StepFun: Step 3.7 Flash
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...
- Developer
- stepfun
- Input modalities
- text, image, video
- Output modalities
- text
- Context tokens
- 262,144
- Latest price observation
- 2026-09-28
- Lowest paired standard token quote
- $0.20 input / $1.15 output per 1M tokens
Dated price and provider records
| Provider and channel | Input | Output or native rate | Unit and status | Source and observation |
|---|---|---|---|---|
| Automatic routingopenrouter | $0.20 | $1.15 | 1M tokenspriced · USD | openrouter2026-09-28 |
These are dated, non-executable observations. Verify the exact endpoint, price and terms with the source before use. Unknown values are not free.