StepFun: Step 3.7 Flash

Other

Multimodal

Paid

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...

Parameters

Context Window

262,144

tokens

Input Price

$0.2

per 1M tokens

Output Price

$1.15

per 1M tokens

Capabilities

Model capabilities and supported modalities

Performance

Reasoning

Good reasoning with solid logical foundations

Math

Coding

Specialized in code generation with excellent programming capabilities

Knowledge

Modalities

Input Modalities

text,image,video

Output Modalities

text

LLM Price Calculator

Calculate the cost of using this model

Input Tokens (0.00000020/token)$0.000300

Output Tokens (0.00000115/token)$0.003450

Common Scenarios:

Input Cost:$0.000300

Output Cost:$0.003450

Total Cost:$0.003750

Estimated usage: 4,500 tokens

Monthly Cost Estimator

Based on different usage levels

Light Usage

$0.0135

~10 requests

Moderate Usage

$0.1350

~100 requests

Heavy Usage

$1.3500

~1000 requests

Enterprise

$13.5000

~10,000 requests

Note: Estimates based on current token count settings per request.

Last Updated: 2026/08/15