stepfun
StepFun: Step 3.7 Flash
StepFun: Step 3.7 Flash is a versatile AI model capable of processing text, images, and videos, with an extensive context length of 256,000 tokens. It supports tools and reasoning but does not offer structured output, making it suitable for tasks requiring dynamic interaction and complex understanding across multiple modalities. Despite its capabilities, StepFun remains non-free with pricing at $0.2 per million input tokens and $1.15 per million output tokens. Its benchmark blended score of 50.8 places it among the mid-tier models, though its comprehensive handling of diverse inputs could be advantageous for projects needing flexibility.
Quality Score
100/100
price + capability + benchmarks
Input Price
$0.20
per 1M tokens
Output Price
$1.15
per 1M tokens
Context Window
256,000
tokens
- Model ID
- stepfun/step-3.7-flash
- Vendor
- stepfun
- Tokenizer
- Other
- Input Modalities
- text, image, video
- Output Modalities
- text
- Max Output
- 256,000 tokens
- Tool Calling
- ✓ supported
- Structured Output
- ✓ supported
- Reasoning Mode
- ✓ supported
- Vision
- ✓ accepts images
- Audio
- no
- Moderated
- no
Strong choice for
Category rankings
Where StepFun: Step 3.7 Flash places across the 16 categories it ranks in. How we rank →
| # | Category | Score |
|---|---|---|
| #2 | Video Auto-TaggingVideo · of 25 ranked | 123 |
| #14 | Image CaptioningVision · of 25 ranked | 120 |
| #15 | Video SummarizationVideo · of 25 ranked | 145 |
| #15 | Real-Time ChatLatency · of 25 ranked | 117 |
| #16 | Customer SupportBusiness · of 25 ranked | 131 |
| #19 | Bulk Data LabelingData · of 25 ranked | 133 |
| #20 | Dataset AnnotationResearch · of 25 ranked | 140 |
| #22 | JSON ExtractionData · of 25 ranked | 142 |
| #22 | Short-Form SummarizationWriting · of 25 ranked | 128 |
| #22 | Email DraftingWriting · of 25 ranked | 124 |
| #22 | Language LearningEducation · of 25 ranked | 124 |
| #22 | Chat CompanionPersonal · of 25 ranked | 128 |
| #23 | Social Media PostsWriting · of 25 ranked | 119 |
| #23 | Voice Assistant BackendVoice · of 25 ranked | 123 |
| #23 | Trivia & General KnowledgePersonal · of 25 ranked | 118 |
| #24 | Self-Hosted / LocalCost · of 25 ranked | 117 |