step-3.7-flash

step-3.7-flash

[30-Day Limited-Time Free] StepStar’s Flagship Language Reasoning Model
2026-05-30
LLM
Model capability: imageModel capability: videoModel capability: thinkingModel capability: function_call
Pricing:
Limited Time Free
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API Overview

The flagship multimodal reasoning model from Jueyue Xingchen. Based on a sparse MoE architecture with 198B total parameters and 11B activation parameters, it natively supports image and video understanding.

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API Analytics

API Reference (1)

API DescriptionAPI EndpointRequest MethodStabilityParameter Description
Chat (Stepfun Multimodal)
POST
Stable
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API Pricing

$
ModelDescriptionContextOfficial Price302.AI Price

step-3.7-flash

-
256000

$0.2 / 1M tokens

Limited Time Free