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Scholar AI task guide
Best AI tool for finding sources for a research paper
For most college students, the best place to find sources is a scholarly search engine, not a chatbot. Semantic Scholar is free and AI-powered: it shows short AI summaries (TLDRs) for many computer science and biomedical papers and saves papers straight to Zotero. Google Scholar is free, covers almost every field, and shows your school library’s links to full text. Elicit’s free Basic plan searches more than 138 million papers and summarizes them. Use Perplexity (free, or Education Pro at $10/mo for verified students) to get oriented on a topic, then follow its links to the real papers. Whatever you use, open every source yourself before you cite it.
Prices and offers last checked 2026-10-20. For college and grad students.
Our picks
1. Semantic Scholar: best free AI search for papers
Semantic Scholar describes itself as a free, AI-powered research tool for scientific literature, based at Ai2. Its TLDRs are one-sentence AI summaries that help you decide which papers to open, but they’re currently limited to computer science and biomedical papers. A free account adds email alerts for new papers, and you can save papers (with the PDF when available) to Zotero. Semantic Scholar itself warns that AI-generated text “will not be free of errors” (Semantic Scholar FAQ).
2. Google Scholar: widest coverage, free
Not really an AI tool, but still the first stop for most assignments. Use “Cited by” and “Related articles” to follow a good paper to others, and click your library’s link next to a result to get the full text your school pays for (Google Scholar help). If you don’t see your school’s links, ask your library how to turn them on.
3. Elicit: best for building a source table
The free Basic plan includes unlimited search across more than 138 million papers, unlimited summaries, chat with papers that have full text, and Zotero import, with limited use of its research agent and reports. Paid plans start at $11 per user per month billed annually ($132/yr) on its pricing page; prices differ between plan types, so check the site (Elicit pricing).
Also useful: Perplexity for a quick overview
Perplexity answers with links, which makes it a decent starting map of a topic. The free plan includes a limited number of Pro searches, and verified students can get Education Pro for $10/mo. Treat its answer as a list of leads, not a source: open each link, and cite the original paper, not Perplexity. Then save what you keep to Zotero with our citations guide.
Cost comparison
Every price and offer below links to the vendor’s own page. If we couldn’t confirm something, it says “check site”.
| Tool & plan | Free tier | Paid price | Student offer | Checked |
|---|---|---|---|---|
| Semantic Scholar | Yes: free search, free account with alerts; AI TLDRs for computer science and biomedical papers | None (free) | n/a | Last checked: 2026-10-20 Source |
| Google Scholar | Yes: free; full text through your school library’s links | None (free) | Ask your library for full-text access | Last checked: 2026-10-20 Source |
| Elicit | Basic: unlimited search of 138M+ papers, summaries, and chat with full-text papers; limited research agent and reports | From $11/user/mo billed annually ($132/yr); check site, prices vary by plan type | None published (check site) | Last checked: 2026-10-20 Source |
| Perplexity | Yes, with limited Pro searches | Pro $17/mo billed annually (checked 2026-10-18) | Education Pro $10/mo for verified students (SheerID; checked 2026-10-18) | Last checked: 2026-10-20 Source Source 2 Source 3 |
| Zotero (save & cite what you find) | Yes: free app with 300 MB of free sync storage | Optional storage from $20/yr (2 GB) | n/a | Last checked: 2026-10-20 Source Source 2 |
Worked example: use AI to learn
Goal: find 6 solid sources for a 2,000-word paper on how sleep affects memory in college students, and understand them well enough to pick the best ones yourself.
- Write your own research question first. One sentence, in your words. AI can help you sharpen it, not pick it.
- Get a map of the topic. Ask Perplexity (or any chatbot): I'm a college student researching how sleep affects memory in college students. Don't write anything for me. List the main subtopics and the search keywords researchers use for each, so I can search Google Scholar and Semantic Scholar myself.
- Search for real papers with those keywords in Semantic Scholar and Google Scholar. Open promising results, read the abstract, and use “Cited by” to find newer work.
- Check that every source exists. Before you save anything a chatbot mentioned, find it yourself in Google Scholar or your library catalog. If you can’t find the paper, don’t use it.
- Save keepers to Zotero and write one sentence per source in your own words: what it found and how it helps your argument. That sentence is the start of your annotated bibliography, and it’s yours.
Chatbots can mix up authors, years, and journals, or describe a paper that doesn’t say what they claim. A real source is one you’ve opened and read.
What your instructor may not allow
- Required databases. Some assignments say which library databases or source types you must use (for example, peer-reviewed journals only). An AI search tool doesn’t replace those.
- Annotated bibliographies. If the annotations are graded, write them yourself. AI-written annotations may count as not your own work.
- Citing what you didn’t read. Citing a paper you only saw in an AI summary can misrepresent it. Read at least the parts you cite.
- Disclosing AI help. If your instructor allows AI for research, they may still want you to say how you used it. See AI and school rules.
Not sure? Read the AI section of your syllabus and ask your instructor before you start. More in AI and school rules.
FAQ
What is the best free AI tool for finding sources?
Semantic Scholar is free and built for research papers, with AI summaries (TLDRs) for many computer science and biomedical papers. Pair it with Google Scholar, which is free and links to your school library's full text. Elicit's free Basic plan is also useful for searching and summarizing papers.
Can I use ChatGPT to find sources?
Use chatbots to brainstorm keywords and subtopics, not as your list of sources. Chatbots can get authors, years, and journals wrong. Find every paper yourself in Google Scholar, Semantic Scholar, or your library catalog before you cite it.
Is Perplexity good for research papers?
It's good for a quick overview because it links to where its answer came from. Open those links, find the original papers, and cite the papers, not Perplexity. As of 2026-10-18, verified students can get Education Pro for $10/mo.
How much does Elicit cost for students?
As of 2026-10-20, Elicit's Basic plan is free. Its pricing page lists paid plans from $11 per user per month billed annually ($132/yr), and prices vary by plan type. We didn't find a published student discount.
Is it cheating to use AI to find sources?
Using AI to find and understand sources is usually allowed, but check your syllabus. Writing the paper or graded annotations with AI, or citing sources you haven't read, usually isn't.
Disclosure: no one paid to be on this page and it has no affiliate links. If we ever add one, it will be labeled right next to the link (for example, “paid link: we earn a commission”). Prices and student offers change often. We checked each one on the vendor’s own page on the date shown; confirm on their site before you pay.