AI research and search tools: 16 tools for office work

Updated October 13, 2026 · By Robert Breen

Good decisions need sources you can check. AI research tools search the web or academic papers and answer with citations, read your own documents and only answer from them, and dig through many sources at once. Use them for market scans, client prep and fact-checks, and always open the source before you quote it.

16 tools14 free or with a free plan2 with a free trial0 paid only

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16 tools added since October 8, 2026. New tools are added every day.

Tavily Exa Felo Brave Search Kagi You.com Undermind Connected Papers ResearchRabbit Semantic Scholar SciSpace Scite+ 4 more

16 AI research and search tools

Each card says what the tool does for a working professional and whether it is free, has a free plan or trial, or is paid. One has a free Stepthrough lesson where you practice it step by step.

Perplexity: Free plan. An AI answer engine that searches the web and cites its sources. Good for quick research and fact-checks.
NotebookLM: Free. Upload your documents and get cited answers, briefings and audio overviews from only those sources. Free lesson: NotebookLM (Now Gemini Notebook): Cited Answers and a Briefing from…
Elicit: Free plan. Finds and summarizes research papers and pulls data from them into tables.
Consensus: Free plan. Answers questions from peer-reviewed research and shows how much the studies agree.
Scite: Free trial. Shows how research papers have been cited, supporting or contrasting, so you can trust a claim.
SciSpace: Free plan. Read, explain and summarize research papers, with a literature review assistant.
Semantic Scholar: Free. A free AI-powered search engine for academic papers with short TLDR summaries.
ResearchRabbit: Free plan. Maps related papers and authors so you can explore a research topic visually.
Connected Papers: Free plan. Builds a visual graph of papers related to one you choose.
Undermind: Free plan. An AI research agent that searches deeply for papers that match a complex question.
You.com: Free plan. AI search and research agents for business, with cited answers.
Kagi: Free trial. Ad-free, private search with AI summaries and an assistant.
Brave Search: Free. Independent, private web search with AI answers at the top of results.
Felo: Free plan. AI search that answers in many languages and can turn results into slides and mind maps.
Exa: Free plan. A search engine and API built for AI, which finds pages by meaning rather than keywords.
Tavily: Free plan. A web search API made for AI agents, returning clean, citable results.