Step-1o Turbo Vision

Name: Step-1o Turbo Vision
Author: StepFun

proprietary

该模型拥有强大的图像理解和视频理解能力，暂时只开放文本、图像和视频输入，且仅支持文本生成。输出速度快，上下文长度为 32K。

Context

32K

Input price

$0.35/1M tokens

Output price

$1.11/1M tokens

Capabilities

Show unsupported (6)

Reasoning & Interaction

Tool Calling

Infrastructure

Streaming

Details

Model IDstep-1o-turbo-vision

ProviderStepFun

Creatorstepfun

Familystep-1o

Licenseproprietary

Statusactive

Typechat

Input modalitiestext, image, video

Output modalitiestext

Open weightNo

Parameters—

Architecture—

Context window32K tokens

Max input—

Max output—

Reasoning tokens—

Knowledge cutoff—

Release date—

Sourceofficial

Tools

Function Callingfunction_calling

Call external functions and APIs

Endpoints

Chat CompletionsPOST

Generate chat responses with messageshttps://api.stepfun.com/v1/chat/completions

Pricing

Input

$0.35

Output

$1.11

Cache write

—

Cache read

$0.07

Batch in

—

Batch out

—

Family Comparison: step-1o

Model	Caps	Perf	Speed	Context	Max out	Pricing
Step-1o Turbo Vision	TS	—	—	32K	—	$0.35$1.11
Step 1o Vision 32k	S	—	—	32K	—	$2.08$9.72
Step-1o Audio	S	—	—	—	—	$3.47$8.33

API

GET/v1/models/stepfun/step-1o-turbo-vision