S
Semantic Scholar
41
Stack Score
Editorial pick✓ Verified working
Semantic Scholar
AI-powered scientific paper search.
Best for
Best for researchers and academic-adjacent professionals who want sourced literature.
At a glance
- Pricing
- free
- Setup time
- 5 minutes
- Learning curve
- easy
- Last verified
- 5/25/2026
What we love
- ✓Truly free
- ✓Academic-grade
- ✓Strong API for builders
Where it falls short
- −Academic-only — not general web
- −Some open-access only
- −UI utilitarian
Pricing
✓ Pricing verified Jun 21, 20261 tier
Free
$0
forever
- ✓All features
- ✓API
Overview
Semantic Scholar (by Allen Institute) is a free AI search engine for academic papers — 200M+ papers indexed, with citation graphs, TLDR summaries, and recommendation engines built in.
Key features
- ●200M+ papers
- ●TLDR summaries
- ●Citation graphs
- ●Recommendation engine
- ●Free API
Best use cases
Literature review
Build a citation network around a research question in minutes.
Stay current on a field
Use the alert + recommendation engine to track papers in your space.
Integrations
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