Question: I'm looking for an AI-powered research assistant that can help me find specific information within a large knowledge base.

Elicit is an AI research assistant designed to help you quickly locate, summarize and extract information from more than 125 million academic papers. It's geared for empirical subjects like biomedicine and machine learning, but can be used for other tasks like accelerating literature reviews, finding new papers and automating systematic reviews. Elicit comes in three forms: Basic (free), Plus (subscription) and Enterprise (custom pricing).

Another top contender is Semantic Scholar, a free AI-powered research service that indexes more than 219 million papers across the entire spectrum of scientific disciplines. It offers powerful search filters, brief summaries (TLDRs) and tools for citing papers, organizing research and getting recommendations based on your interests. It also offers AI-generated definitions and answers, so it's a good tool for researchers.

If you want a more advanced search experience, check out Consensus. This AI-powered academic search engine indexes more than 200 million papers across all subjects and offers proprietary search tools with filtering abilities. It also offers AI insights through Copilot and Consensus Meter to help you quickly validate research and get authoritative answers. Consensus offers multiple pricing tiers depending on your needs.

Last, Epsilon is another powerful tool designed to speed up scientific discovery by summarizing information and synthesizing insights from a database of more than 200 million academic papers. It offers features like Investigate for summarized answers, Search and Validate for finding and evaluating information, and Synthesize for detailed summaries. Epsilon is used by many researchers, and offers various pricing tiers depending on your level of use.