GigaBrain is an AI tool that allows users to search for answers to their questions within Reddit and other online communities. It uses advanced technology to sift through billions of comments in order to find the most informative and relevant posts and comments. With GigaBrain, users can search for anything they are curious about and receive concise summaries of the most useful answers, along with source citations. The tool also combines human feedback with cutting-edge language models to deliver reliable responses from reputable users. Additionally, GigaBrain highlights products and places that people are discussing, making it easy to gather feedback and opinions from real people. One of the key advantages of GigaBrain is that it saves time and effort for users who want to gather information from multiple online sources. The tool streamlines this process by automatically returning the most useful comments and answers, without users needing to scan through countless posts themselves. GigaBrain offers a Chrome extension, as well as a sign-up option that allows users to fine-tune their results by rating comments based on relevance to their search and saving content in a searchable archive. The tool also offers GigaPost, which enables users to post their own questions and syndicate them to all relevant subreddits. Overall, GigaBrain is an expert in cataloguing AI tools that simplifies the process of finding answers from real people on a wide range of topics, while saving users time and effort.