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Best AI Tools for Research and ai-powered search (20 options)
20 tools for research and AI-powered search in the directory. AI search engines, literature review and academic research tools.
How to read this page. We do not rank tools or publish scores. This page lists every Research & Search tool in the directory with its official link and pricing model so you can shortlist, then try the ones that fit. Pricing labels come from each vendor's pricing page when we could confirm them; "See site" means we could not.
At a glance
- 20 tools listed; 1 free to use, 7 with a free tier, 2 paid, 10 where pricing is not confirmed here.
- With a free plan or tier: Consensus, Elicit, Humata, Jenni AI, Perplexity, ResearchRabbit, Semantic Scholar, Undermind.
What to look for
Check whether answers cite sources you can open, which databases are searched, and how exports and citations are handled.
All 20 tools
| Tool | What it does | Pricing | Link |
|---|---|---|---|
| alphaXiv | Discussion and reading layer for arXiv papers. | See site | Official site |
| Brave Search API | Web search API from Brave, with AI grounding options. | See site | Official site |
| ChatPDF | Chat with PDF documents and get answers from their content. | See site | Official site |
| Connected Papers | Visual graph tool for exploring academic papers related to a topic. | See site | Official site |
| Consensus | AI academic search engine for peer-reviewed literature. | Freemium | Official site |
| Elicit | AI research assistant for synthesizing evidence from scientific papers. | Freemium | Official site |
| Exa | Search engine and API built for AI applications. | See site | Official site |
| Genspark | AI search and agent workspace that compiles answers and pages. | See site | Official site |
| Humata | Ask questions of your documents and get answers with citations. | Freemium | Official site |
| Iris.ai | Research workflow platform for literature discovery and document analysis. | See site | Official site |
| Jenni AI | AI writing and citation assistant for academic work. | Freemium | Official site |
| Kagi | Subscription search engine that is ad-free and offers AI assistants. | Free trial | Official site |
| Litmaps | Literature mapping and monitoring tool for researchers. | See site | Official site |
| Perplexity | AI answer engine that searches the web and cites its sources. | Freemium | Official site |
| ResearchRabbit | Tool for discovering and mapping academic literature. | Freemium | Official site |
| SciSpace | AI research assistant for finding, reading and summarizing academic papers. | See site | Official site |
| Scite | Searches 300M+ scholarly articles and shows how each is cited. | Paid | Official site |
| Semantic Scholar | Free AI-powered search engine for scientific literature. | Free | Official site |
| Tavily | Search API designed for AI agents and retrieval-augmented generation. | See site | Official site |
| Undermind | Deep-search engine for finding academic papers. | Freemium | Official site |