---
name: Stepfun Step-3.5 Flash
slug: stepfun-step-3-5-flash
type: Multimodal
providers:
  - qiniu-ai
description: 'StepFun flash model for efficient multimodal reasoning, coding, and tool use'
tags:
  - multimodal
is_open_source: false
context_window: 64000
max_output: 4096
release_date: '2026-02-02'
capabilities:
  audio: false
  vision: true
  tool_use: false
  citations: false
  reasoning: false
---
Stepfun Step-3.5 Flash is a Multimodal model.
StepFun flash model for efficient multimodal reasoning, coding, and tool use