1.Elicit
Free + Paid
Automates literature review across 125M+ papers.
ResearchVisit
AI Research
Best AI Research Tools
Read and cite papers faster. Literature review, evidence scoring, and sourced answers that link back to the original work.
6 tools on this shortlist, 5 of them free to start. Pricing is what each tool's own site lists, so check before you buy.
Full reviews and rankings: AI Search & Research in the AI Tools Directory.
Top 6 AI research tools
Ranked by our editors. Open a tool for features, pricing and alternatives.
2.Consensus
Free + PaidSearch engine that answers with scientific evidence.
ResearchVisitFree AI-powered academic search from AI2.
ResearchVisit4.Perplexity
Free + PaidEditor's pickAnswer engine with live sources on every claim.
ResearchVisit5.NotebookLM
Free + PaidAn assistant that only answers from the sources you give it.
ResearchVisit6.scite
Free trialSee how a paper has been cited, not just how often.
ResearchVisit
Side by side
Pricing, who each tool suits and whether you can start for free.
| Tool | Pricing | Best for | Free to start |
|---|---|---|---|
| Elicit | Free + PaidFree plan · Plus from $12/mo | Researchers and analysts running evidence reviews. | Yes |
| Consensus | Free + PaidFree plan · Premium from $8.99/mo | Anyone who needs evidence rather than opinion. | Yes |
| Semantic Scholar | FreeFree | Students and academics who need free, broad coverage. | Yes |
| Perplexity | Free + PaidFree plan · Pro $20/mo | Anyone who needs sourced answers instead of a link list. | Yes |
| NotebookLM | Free + PaidFree · Higher limits with Google AI plans | Students and researchers working from a fixed set of sources. | Yes |
| scite | Free trialFree trial · Paid plans available | Academics and analysts who need to vet the evidence behind a claim. | No |
How to choose an AI research tool
Start on a free plan
5 of 6 tools here can be started without paying (Elicit, Consensus and Semantic Scholar). Test your real work on a free plan before upgrading.
Compare the features that matter
Several tools here compete on citations, academic and evidence; check how each handles them on your own files.
Match the tool to who you are
Elicit is best for researchers and analysts running evidence reviews; Consensus is best for anyone who needs evidence rather than opinion; Semantic Scholar is best for students and academics who need free, broad coverage.
Budget for the paid ones
scite needs a paid plan or trial. Prices change often, so check the official site before you buy.
Head-to-head comparisons
Two AI research tools side by side.
Stacks that use these tools
Ready-made tool sets for one job, in workflow order.
AI Research Tools: common questions
What is the best AI research tool?
Elicit tops our shortlist: Automates literature review across 125M+ papers. Consensus and Semantic Scholar are close behind. The right pick depends on your budget and workflow.
What is the best free AI research tool?
Elicit is the top pick you can start on without paying (Free plan · Plus from $12/mo). Consensus, Semantic Scholar and Perplexity can also be started for free. Free limits change often, so check each tool's site.
Which AI research tool is best for beginners?
Start with Consensus: you can try it for free, and it is best for anyone who needs evidence rather than opinion.
How much do AI research tools cost?
5 of the 6 tools here can be started for free; scite needs a paid plan or trial. Elicit: Free plan · Plus from $12/mo. Consensus: Free plan · Premium from $8.99/mo. Perplexity: Free plan · Pro $20/mo. Prices change often, so check the official site before you buy.
How did you pick these tools?
Our editors shortlist tools that do this job well, are actively maintained and are clear about pricing. No listing is paid for, and the order is editorial, not sponsored.
No listing on this page is paid for. Prices and free plans change often; each tool page links to the official site. Want full reviews? See AI Search & Research in the AI Tools Directory. Browse all AI bundles