StepFun
Chinese AI provider offering a consumer chat app and an OpenAI-compatible API for text, image, audio, and multimodal models.
At a Glance
StepFun is an AI tool for Assistants & workspaces (category: Productivity). Free access: Free plan. Documented: 1 plan with prices and limits.
- Category
- Assistants & workspaces
- Paid from
- Not verified for this market / Custom (StepFun)
- Free Option
- Free plan
- Plans
- 1
- Sources
- 2 verified sources
Category: Productivity · Assistants & workspaces
Features
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.
- 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
Prices and plans
| 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 |
Prices per vendor, excl. taxes/VAT where applicable.
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.
Alternatives and similar tools to StepFun
FAQ
Is StepFun available for free?
Yes. A permanently free plan is published, not a time-limited trial.
Where is the vendor of StepFun based?
Shanghai StepFun Intelligent Technology is based in China. Regardless of that location, data processing and privacy terms are governed by the vendor's own contract.
How is StepFun billed?
No consumer price is listed for the chat app itself. The API bills by usage per model, for example Step 3.5 Flash at 0.7 CNY per 1 million input tokens. A Step Plan subscription for coding tools starts at 49 CNY per month; there are no official USD or EUR prices.
What plans does StepFun offer?
The catalog documents one plan with price, billing period, and included features.
Is StepFun currently available?
StepFun is still active: Active.
How we compare
We compare free access, paid entry, plan limits, features and the listed official sources. Unsourced figures stay marked as not published.
Only confirmed entries appear in the catalog. Prices, plans and limits come from listed official vendor pages. Missing figures stay marked as not published. Search results are ordered by Task match by default; category and task lists are alphabetical. Both can be switched to Free access first; neither is a quality ranking. The vendor page always wins.
Edited and checked by the AI Compare Ninja team
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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