StepFun: Step 3.7 Flash API Pricing
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...
Input / 1M tokens
$0.20
Output / 1M tokens
$1.15
Cost per request (1K in / 500 out)
$0.0008
~$0.78 per 1M tokens mixed
Specifications
Context Window 256K tokens
Max Output Tokens 256,000
Vision Support Yes
Function Calling No
Streaming Yes
Modality multimodal
Release Date 2026-05-28
Price history will appear here after the first price change is detected.
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