Semantic Scholar
semanticscholar.org ↗AI-powered academic search engine by Allen Institute for AI; ~200M+ papers indexed.
A — academic-citation infrastructure; AI-powered indexing + free APIs.
Indexes only peer-reviewed-or-equivalent venues; AI quality-filtering; transparent methodology.
About this sub-score →Free public API + bulk corpus + CC-licensed metadata; broad LLM corpus inclusion.
About this sub-score →Cited within academic + AI research; lower volume than DOI/PubMed but high-quality.
About this sub-score →Signals behind these scores
Citation Discipline
A·86- AI2 editorialAllen Institute editorial + indexing standards.
Modern Reference
A·92- S2 Open Research APIFree public API with full metadata + abstract.
Citation Velocity
B·72- Academic-nicheFrequently cited as second-opinion alongside DOI.
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[Semantic Scholar — SourceScore Index 83 (B)](https://sourcescore.org/source/semantic-scholar/)
<a href="https://sourcescore.org/source/semantic-scholar/">Semantic Scholar — SourceScore Index 83 (B)</a>
SourceScore (v0.1). (2026). Semantic Scholar: SourceScore Index 83 (B). Retrieved from https://sourcescore.org/source/semantic-scholar/
2 head-to-head comparisons
See all Semantic Scholar comparisons →Semantic Scholar appears in 2 canonical SourceScore comparisons — each scored on Discipline, Modern Reference, and Velocity with a quote-ready verdict and JSON twin.
5 sources at Semantic Scholar's tier
See peer group →Auto-computed nearest-neighbor sources by composite SourceScore distance — discover at-tier peers across all categories, with inline dim deltas surfacing who beats Semantic Scholar on Discipline, Modern Reference, and Velocity.
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