VerlumoAIAI search assistant that answers questions with cited sources.
View detailsSemantic Scholar
Free AI-powered search engine for scientific papers and citations.
Semantic Scholar is a free AI-powered search engine for scientific papers and citations. Built by the Allen Institute for AI, it indexes over 200 million papers and uses machine learning to extract key information — TLDR summaries, citation contexts, and figures — so you can judge a paper's relevance without reading the whole thing.
Key Features
- Free search across 200M+ scientific papers
- AI-generated TLDR summaries of papers
- Citation contexts showing how papers are cited
- Paper library and research alerts
- Citation graphs for finding related work
- Free API for researchers and developers
Pricing
| Plan | Price | Details |
|---|---|---|
| Free | $0 | Full search, summaries, library, alerts, and API access — no payment required. |
Prices as listed in 2026 research. Always check the official site for the latest price — plans change. Free plan: Yes — it has a free plan.
Best for: students and researchers who search scientific papers with AI-powered summaries and citations.
Popular with: Students, Teachers, Writers
Popular with: Students, Teachers, Writers
How it works
The tool is free for everyone, with no account needed for basic search. You can save papers to a library, set alerts for new research on a topic, and explore citation graphs to find related work. It also offers an API for researchers who want to build on its data.
Semantic Scholar is the best free starting point for literature research. It will not replace a reference manager, but for finding and understanding papers quickly, its AI summaries and citation tools are genuinely useful — and completely free.
Pros and Cons
✓ Pros
- Completely free with no account needed
- AI summaries save hours of reading
- Citation contexts show how papers are used
- Huge index of 200M+ papers
✗ Cons
- Coverage is strongest in computer science and biomedicine
- No reference manager built in — export to Zotero or Mendeley
- AI summaries can miss nuance in complex papers
Frequently Asked Questions
Is Semantic Scholar free?
Yes — Semantic Scholar has a free plan. Free
What is Semantic Scholar best for?
students and researchers who search scientific papers with AI-powered summaries and citations.
What kind of tool is Semantic Scholar?
Semantic Scholar is a Research Tools tool on VerlumoAI.
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View detailsLast reviewed: November 2026