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 →

#CategoryScore
#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

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