StepFun

Shanghai lab behind the Step models and the StepChat assistant

Freemium Writing & Content
Visit Website ↗ by StepFun

What is StepFun?

StepFun is a Shanghai AI lab founded in 2023, maker of the Step model family and the StepChat assistant app. Its models cover text, image understanding and generation, video and speech, with several open releases for researchers. StepChat gives consumers a free multimodal assistant, while developers use StepFun's API platform.

Key features

  • Multimodal Step model family
  • StepChat consumer assistant
  • Open model releases
  • API for text, vision and speech

Pros

  • Broad multimodal research
  • Free consumer app
  • Backed by major Chinese investors

Cons

  • Little-known outside China
  • English surfaces are limited
  • API docs mostly Chinese

StepFun at a glance

PricingFreemium
CategoryWriting & Content
Platformsweb, ios, android
CompanyStepFun
Best forExploring a rising Chinese multimodal lab
Official websitewww.stepfun.com
ai chatbotllmmultimodal

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StepFun FAQs

What is StepFun?

StepFun is a Shanghai AI lab founded in 2023, maker of the Step model family and the StepChat assistant app. Its models cover text, image understanding and generation, video and speech, with several open releases for researchers. StepChat gives consumers a free multimodal assistant, while developers use StepFun's API platform.

What are the main features of StepFun?

StepFun offers Multimodal Step model family, StepChat consumer assistant, Open model releases and API for text, vision and speech.

How much does StepFun cost?

StepFun follows a freemium model: a free tier is available, and paid plans unlock higher limits and advanced features. Check its official website for current plan prices.

What are the pros and cons of StepFun?

Strengths of StepFun include Broad multimodal research; Free consumer app; Backed by major Chinese investors. On the downside, Little-known outside China; English surfaces are limited; API docs mostly Chinese.