Model index
StepFun·Step

Step-R1-V-Mini

StepFun’s lightweight visual reasoning model with image-text input and text output, introduced on 2025-04-08 in the official page.

LegacyReasoningMultimodalWeights not released
MODEL NUMBER342
First public date
2025-04-08
Organization
StepFun
Family
Step
01

Specifications

Only published specifications are shown.

Input modalities
Text · Image
Output modalities
Text
Open weights
No
Status
Legacy
02

Overview

Overview

StepFun’s lightweight visual reasoning model with image-text input and text output, introduced on 2025-04-08 in the official page.

Why it mattered

Step-R1-V-Mini shows StepFun’s early route for extending reinforcement-learning reasoning to visual tasks.

03

Architecture & capabilities

Model capabilities

ReasoningVision
04

Release history

Announcement

The Step-R1-V-Mini multimodal reasoning model page was published.

View source
05

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06

Sources

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