StepFun: Step 3.7 Flash
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...
Modalities
TextImageVideo
In / out price
₩351 / ₩2,018
1M
Context
262.14K
Released
May 29, 2026
Pricing
Prices are quoted in Korean won. Changes to the exchange rate or margin show up immediately.
| Input (prompt) | ₩351 / 1M |
| Output (completion) | ₩2,018 / 1M |
| Cache read | ₩70 / 1M |
| Cache write | — |
1,000 input tokens plus 1,000 output tokens costs about ₩2.37.