AI answer engine with cited, real-time results
AI Research & Search
22 tools · updated October 2026
AI research tools search academic papers and the web, summarise evidence and cite their sources. They suit students, analysts and scientists who need answers they can verify.
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Frequently asked questions
Which AI research & search have a free plan?
Of the 22 AI research & search listed here, 15 offer a free plan or free tier, including Perplexity, Gemini Notebook (formerly NotebookLM), Elicit, Semantic Scholar, ResearchRabbit and Exa. Free plans usually come with usage limits, so check each listing for details.
Which AI research & search offer an API?
11 of the listed tools mention an API, SDK or developer platform on their official site, including Elicit, Semantic Scholar, SciSpace, scite, Exa and Kagi.
Are there AI research & search with mobile apps?
Yes. Gemini Notebook (formerly NotebookLM), Kagi, Google Gemini, Grok, Kimi and Manus offer iOS or Android apps according to their official sites.
How do you choose which AI research & search to list?
We list tools that are live, publicly available and clearly built around AI. Every description is written by our team from the tool's official website, and fields we cannot verify, such as a starting price, are left empty. Listings are not paid placements.