Step-1o Turbo Vision

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

Reasoning & Interaction
Tool Calling
Infrastructure
Streaming

Details

Model IDstep-1o-turbo-vision
Provider StepFun
Creator stepfun
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

ModelContextMax outPricing
Step-1o Turbo Vision32K—$0.35$1.11
Step 1o Vision 32k32K—$2.08$9.72
Step-1o Audio——$3.47$8.33

API

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

Step-1o Turbo Vision

step-1o-turbo-vision

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。

Changes · 4 entries
step-1o-turbo-visionupdateca7a400Nov 2, 2026, 03:02 AM
nameStep 1o Turbo Vision→Step-1o Turbo Vision
descriptionRecommended vision model with strong image and video unde...→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...
taglineRecommended vision model with strong image and video unde...
tools["function_calling"]
step-1o-turbo-visionupdateb2f45bfOct 29, 2026, 03:29 AM
nameStep 1o Turbo Vision→Step-1o Turbo Vision
descriptionRecommended vision model with strong image and video unde...→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...
step-1o-turbo-visionupdatec67ed84Jul 31, 2026, 10:28 AM
taglineRecommended vision model with strong image and video unde...
tools["function_calling"]
step-1o-turbo-visioncreate3e56cf1Apr 26, 2026, 07:23 PM