The Research Assistant is still very much in the beta testing phase with a roadmap for more advanced features planned in the coming year, but even in its current form it provides an interesting way to surface academic documents that might not come to the top of the results when using traditional LibrarySearch. To access the tool you can either use the direct link to it above, or look for the Research Assistant button in the top of any LibrarySearch results page:
To read more about how the tool works and what it is searching, including its corpus of documents, method of returning results, and which Large Language Model it uses in generating responses, look for the "How can I use Research Assistant?" link on the Research Assistant search page:
Global statistics, reports, and insights on over 80,000 topics in areas such as business, education, finance, media, politics, society, and technology.
Statista Research AI crafts responses using proprietary Statista data and analysis. This includes detailed descriptions and datasets from all available statistics, alongside information from topic pages, report pages, industry pages, and infographics. 
Access ebooks and scholarly journals in the arts, humanities, sciences, and the social sciences. Journal content is often not available until 1+ years after publication.
The beta version of the JSTOR Interactive Research Tool is now available. To access the tool, you must create an individual JSTOR account and be logged in. Currently, the tool appears on content pages for journal articles, book chapters, research reports, and as an addition to JSTOR's standard keyword search. JSTOR has compiled additional information and FAQs regarding the new tool.
