Semantic Scholar
Free tierAI-powered academic search engine for scientific literature
Free·All audiences·Powered by Allen Institute for AI (AI2)·API available
Key strengths
AI-powered semantic search across 200M+ academic papersFree public API for programmatic access to paper metadataCitation graph and influence analysisAuto-generated TLDRs for rapid paper comprehensionInterdisciplinary coverage across all major scientific fields
Completely free
Seattle, USA
Founded 2015
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- Building literature recommendation systems – Use the paper search and citation graph APIs to power personalized paper recommendation engines.
- NLP dataset construction – Download S2ORC bulk corpus for training language models on scientific text, including abstracts and full-text sections.
- Bibliometric analysis – Query citation and reference endpoints to perform large-scale analysis of knowledge flow and field evolution.
- Research knowledge graphs – Integrate author, paper, and citation data to construct domain-specific scientific knowledge graphs.
- Automated paper monitoring pipelines – Poll the search API on a schedule to detect newly indexed papers matching specific topics or author lists.
- Academic chatbot grounding – Retrieve real-time paper metadata and TLDRs via API to ground LLM-based research assistants in verified scientific sources.
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