StepFun: Step 3.7 Flash (stepfun/step-3.7-flash) costs $0.2 per 1M prompt tokens and $1.15 per 1M completion tokens, has a 262,144-token context window, and supports tool calling, structured outputs, reasoning and response format. Data updated 2026-10-30.
- Prompt price
- $0.2 / 1M tokens
- Completion price
- $1.15 / 1M tokens
- Context
- 262,144 tokens
- Input modalities
- text, image, video
- Output modalities
- text
- Tokenizer
- Other
- Instruct type
- —
- Knowledge cutoff
- —
- Hugging Face
- stepfun-ai/Step-3.7-Flash
Last price change: 2026-05-29
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
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