4Yi

Bring AI into your everyday work and creative process.

4Yi is a multi-model AI workspace for individuals and teams. Choose the model that fits your task and move from conversation to visual creation in one app.

Key features:

• Multi-model AI chat
Choose from available AI models for questions, writing, summaries, analysis, and creative ideas.

• Visual understanding and camera recognition
Take a photo or upload an image, then ask AI to identify and explain what it sees.

• AI image creation
Turn text descriptions and creative ideas into visual content.

• Product video creation
Create product videos using images, prompts, and supported AI models.

• Voice input
Convert speech into text and start conversations more naturally.

• Conversation history and workspaces
Find previous conversations and move easily between chats and workspaces.

• English and Simplified Chinese
Follow your system language or select your preferred language in the app.

Whether you are researching, writing, understanding images, or creating product content, 4Yi helps you move from idea to result more efficiently.

Some features require an account. Model and feature availability may vary by plan, device, region, and network conditions.