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Core routes

Keep clicks and crawl depth focused on the few pages that resolve intent fastest.

Already holding a key? Check it first, then keep reading.
Confirm ownership, visible models, and resale signals before deciding whether models, pricing, protocols, or providers matter next.
Model catalog profile

StepFun: Step 3.5 Flash | pricing profile

Start with StepFun: Step 3.5 Flash input $0.10, output $0.30, context 262,144, and provider StepFun AI, then decide whether this pricing path is worth exploring further.

Provider
StepFun AI
1 models in catalog
Context
262,144
China model route
Input
$0.10
USD / 1M tokens
Output
$0.30
USD / 1M tokens

What this page answers

Step 3.5 Flash is StepFun's most capable open-source foundation model. Built on a sparse Mixture of Experts (MoE) architecture, it selectively activates only 11B of its 196B parameters per token....

  • StepFun AI · stepfun/step-3.5-flash
  • text->text · China model route
  • 262,144 context · $0.10 input

Before connecting

Do not stop at the model name. Before integration, verify base URL, protocol, visible models, parameters, and limits together.

  • supports frequency_penalty
  • supports include_reasoning
  • supports max_tokens
  • supports min_p
  • supports presence_penalty

Next action

After this page, the usual next step is to open the model profile, the provider profile, or run a key check to confirm the real callable range.

  • Check whether the model fits the use case
  • Then verify key permission and callable models