StepFun

StepFun is a sophisticated multimodal AI assistant platform created by Shanghai StepFun AI Technology Co., Ltd., established in April 2023. It leverages proprietary Step series models—such as the Step-2 trillion-parameter MoE language model, Step-1.5V multimodal model, and Step-1V image generation model—to deliver a unified solution for tasks like web search, document summarization, creative content generation, and visual media creation. The platform integrates with DeepSeek-R1 for advanced reasoning and is accessible via web and mobile apps for a smooth user experience.

Key Features

Multimodal Intelligence: Combines advanced visual and auditory processing for tasks such as image-based questioning, real-time translation, automatic image description, and fluid interaction across text, images, and voice.

Step Series Models: Utilizes proprietary foundational models, including the high-performance Step-2 MoE language model, Step-1.5V for multimodal tasks, and Step-1V for image creation.

Creative Generation Suite: Offers a full set of tools for writing, image editing via the Step1X-Edit suite, and video production with support for sequences up to 204 frames.

Document Analysis: Provides powerful document processing for summarizing content, extracting key insights, and performing context-aware analysis to streamline professional workflows.

Social Discovery Platform: Includes a community-driven Discover Channel where users can share creations, explore popular content, and network with fellow creators.

Use Cases

Content Creation: Enables writers and marketers to produce articles, promotional text, social media posts, and creative narratives using advanced language and multimodal features.

Visual Design: Assists designers and artists in generating, modifying, and enhancing images through the Step1X-Edit tools and Step-1V model.

Video Production: Empowers content creators to develop professional-grade videos with up to 204 frames using the bilingual Step-Video-T2V model.

Document Processing: Supports business users in analyzing documents, deriving insights, and creating summaries for reports, research, and data analysis.

Educational Support: Aids students and teachers in language acquisition, academic research, and creative projects through multimodal interaction capabilities.