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Stepfun

Step 3.7 Flash

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...

Capabilities:

Input
  • Text input
  • Image input (vision)
  • File input (PDF)
  • Audio input
  • Video input
Output
  • Text output
  • Image output
  • Audio output
Pricing & availability:

  • OpenRouterOpenRouter

    $0.2 / $1.15 per M
Sources:
OpenRouterOpenRouter
Share:
Details:

  • StepfunProvider

    StepFun

  • Context window

    256K

  • Input price

    $0.2/M

  • Output price

    $1.15/M

  • Open weights

    No

  • Released

    May 2026