StepFun

What is StepFun?

StepFun is an advanced multimodal assistant platform developed by Shanghai StepFun AI Technology Co., Ltd., founded in April 2023. The platform integrates proprietary Step series models including Step-2 (a trillion-parameter Mixture of Experts language model), Step-1.5V (multimodal large model), and Step-1V (image generation model). StepFun serves as an all-in-one solution for information search, document summarization, creative writing, image and video generation, and photo-based Q&A. The platform connects to DeepSeek-R1 for enhanced reasoning capabilities and offers both web and mobile applications for seamless user experience.

Key Features

• Multimodal Intelligence

  Advanced vision and voice capabilities enabling photo-based Q&A, real-time translation, automatic image captioning, and seamless interaction across text, images, and voice inputs.

• Step Series Models

  Proprietary foundation models including Step-2 trillion-parameter MoE language model, Step-1.5V multimodal model, and Step-1V image generation model for superior performance.

• Creative Generation Suite

  Comprehensive content creation tools supporting text writing, image generation and editing through Step1X-Edit suite, and video production with up to 204-frame capability.

• Document Analysis

  Advanced document processing capabilities including summarization, data insights extraction, and context-aware analysis for professional workflows.

• Social Discovery Platform

  Integrated community features through Discover Channel where users can share creative works, explore trending content, and connect with other creators.

Use Cases

• Content Creation : Writers and marketers can generate articles, marketing copy, social media content, and creative writing with advanced language models and multimodal capabilities.
• Visual Design : Designers and creative professionals can create, edit, and refine images using the Step1X-Edit suite and Step-1V image generation model.
• Video Production : Content creators can produce professional videos up to 204 frames using the Step-Video-T2V model with bilingual text-to-video capabilities.
• Document Processing : Business professionals can analyze documents, extract insights, and generate summaries for reports, research, and data analysis tasks.
• Educational Support : Students and educators can use the platform for language learning, research assistance, and creative project development with multimodal interaction.

FAQs