Core Viewpoint - The article highlights the launch of the free "Deep Research" feature by Metaso AI Search, which allows users to conduct comprehensive research without the need for applications or memberships, showcasing a new approach to AI-driven research capabilities [1][12][46]. Group 1: Features of Deep Research - The Deep Research function provides a complete research report by connecting various sub-questions and presenting a clear evidence chain [2][22]. - Users can input complex queries, and the system generates a research path in real-time, displaying the AI's thought process [18][19]. - The final report is structured and can be exported in formats like Word and PDF, with sources clearly cited [28][29]. Group 2: Performance and Evaluation - Metaso AI has shown superior performance in evaluation tests compared to other models, including the WebSailor model [8][10]. - The system can visualize data through charts and graphs, making it suitable for business research and everyday inquiries [39][41]. Group 3: Accessibility and Market Position - The Deep Research feature is available for free, contrasting with many competitors that require payment or limited access [48][50]. - This launch is seen as a significant development in the domestic AI search field, providing users with a low-barrier entry to advanced research tools [52].