SEO release batch two

StepFun: Step 3.5 Flash | model catalog profile

StepFun: Step 3.5 Flash catalog profile connects legacy SEO assets into TestKey with provider, region, modality, pricing, and next route.

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

The goal is to catch search demand, then move users into model profiles, provider profiles, and key checking.

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

Continue

stepfun/step-3.5-flash