Step 5 Preview

Name: Step 5 Preview
Author: StepFun

previewproprietary

推荐优先使用。面向真实任务的新一代旗舰基模，原生支持文本、图片和视频输入，提供 1M tokens 上下文，支持三档推理强度（low/medium/high）。适合图表分析、截图问答、视频总结和跨文档多模态任务。详见 Step 5 Preview。

Input price

$0.97/1M tokens

Output price

$2.78/1M tokens

Capabilities

Show unsupported (8)

No supported capabilities recorded.

Details

Model IDstep-5-preview

ProviderStepFun

Creatorstepfun

Family—

Licenseproprietary

Statuspreview

Type—

Input modalities—

Output modalities—

Open weightNo

Parameters—

Architecture—

Context window—

Max input—

Max output—

Reasoning tokens—

Knowledge cutoff—

Release date—

Sourceofficial

Pricing

Input

$0.97

Output

$2.78

Cache write

—

Cache read

$0.1

Batch in

—

Batch out

—

API

GET/v1/models/stepfun/step-5-preview

Step 5 Preview

preview

step-5-preview

Changes · 3 entries

step-5-previewcreateca7a400Nov 2, 2026, 03:02 AM

step-5-previewupdateb2f45bfOct 29, 2026, 03:29 AM

namestep-5-preview→Step 5 Preview

pricingcached input$0.049→$0.097

description推荐优先使用。面向真实任务的新一代旗舰基模，原生支持文本、图片和视频输入，提供 1M tokens 上下文，支持三...

statuspreview

tagline推荐优先使用。面向真实任务的新一代旗舰基模，原生支持文本、图片和视频输入，提供 1M tokens 上下文，支持三...

step-5-previewcreate7bc8de4Sep 20, 2026, 06:33 AM