# StepFun — AI Compare Ninja

> Chinese AI provider offering a consumer chat app and an OpenAI-compatible API for text, image, audio, and multimodal models.

## Overview
- **Category:** Productivity (Assistants & workspaces)
- **Status:** Active · checked - Active.
- **Paid from:** Not verified for this market / Custom (StepFun)
- **Free access:** Free plan
- **Website:** https://www.stepfun.com/
- **Canonical URL:** https://www.aicompare.ninja/en/tool/stepfun

## What it does
- Chinese AI lab with language models, image generation, and video generation
- Step-2: multimodal model for text, images, audio, and documents
- API access for developers with pay-per-use billing
- Availability outside mainland China and access rules are region and platform dependent
- Primary offering in Chinese; international accessibility varies

## In brief
Stepfun is a Chinese AI lab with Step models for text, image, audio, and video. The multimodal Step-2 model can process text, images, documents, and audio. API access is available for developers. Outside mainland China, actual accessibility varies greatly by region and platform; the primary product language is Chinese. Available tiers and limits are in the pricing overview.


## Limits
No public consumer price for the chat app itself; the API bills per-model usage (e.g. Step 3.5 Flash 0.7 CNY/1M input tokens), a Step Plan subscription for coding tools starts at 49 CNY/month. No official USD/EUR pricing.

## Pricing tiers
| Tier | Price | Period | What you get |
| --- | --- | --- | --- |
| StepFun | Not verified for this market | Custom | OpenAI-compatible API for text, vision, audio, and image models; Step Plan subscription tailored for coding/agent tools |

## Sources
All details regarding plans, limits, and features are based on official vendor documentation and the primary sources verified below.

- https://platform.stepfun.com/step-plan
- https://www.stepfun.com/

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*Source: AI Compare Ninja (2026) - https://www.aicompare.ninja/en/tool/stepfun*