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Step-1o Vision | migration route guide

Step-1o Vision migration route guide should connect capability, pricing, context, callable evidence, and monitoring instead of stopping at the model name.

Model signal card
Provider
StepFun
Start with the supply line behind the model before you move into deeper buying or key work.
Context window
128K
Context length changes whether the model fits short tasks, long documents, or knowledge workflows.
Input price
$0.45
Input price usually matters more for high-volume calling and batch workloads.
Output price
$1.6
Output price matters more for writing-heavy, support, and long-answer workflows.

Start with the job this model solves

Step-1o Vision should not be treated as a brand-name page first. It should be placed back into the real model layer: it comes from StepFun, sits on the China model route, and belongs to the Step Vision family.

  • Ask first whether you truly need a 128K context window or are just reacting to the phrase “long context.”
  • Then ask whether your workload cares more about Text + image -> text ability or about price band and delivery stability.
  • Then ask whether StepFun can fit the protocol stack you already run today.

Then read the real decision signals

This model line is best judged through four inputs: modality Text + image -> text, context 128K, prompt cost $0.45, and completion cost $1.6. The real question is whether those four signals support the workflow together.

  • Model: Step-1o Vision
  • Provider: StepFun
  • Context: 128,000
  • Input price: $0.45 / 1M tokens
  • Output price: $1.60 / 1M tokens

Finally move into the next action

If the upstream route is still catalog-only, the value of this page is to connect model, provider, and workflow before you chase a hot model blindly.

  • Open StepFun provider profile
  • Open real workflows