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Step 3.7 Flash

Step 3.7 Flash is StepFun's flagship multimodal reasoning model, a sparse MoE with 11B active parameters and native image and video understanding. It supports a context window of 256K tokens and a max output of 256K tokens per request.

Input and output price
Input $0.20, Output $1.15, Per 1M tokens
24h uptime
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Get API keyRead the docs
import { streamText } from 'ai'


const result = streamText({
  model: 'stepfun/step-3.7-flash',
  prompt: 'Why is the sky blue?'
})
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P50 time to first token (TTFT) on live AI Gateway traffic, in milliseconds. View the docs for more info.

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