You Write the Claim. We Find the Proof.
From rough draft to verified citations in seconds.
Instantly match against 30M+ biomedical papers.
Integrated with leading academic databases
How LitSource works — in seconds
From a single question to citable evidence in just three steps. No complex search syntax needed.
AI-Powered Core Capabilities
Not just another search box. An AI engine that truly understands your claims. 30M+ papers, results in seconds.
Sentence-level Semantic Retrieval
Forget keyword guessing. Our AI engine truly understands your claim's semantics, pinpointing sentences and paragraphs with similar viewpoints across 30M+ papers—returning citable evidence in seconds, 100x faster than traditional search.
Evidence Tracing · One-click to Source
Every result links directly to the original paper. AI auto-highlights key sentences supporting your claim with full context. One-click export to APA, MLA, EndNote formats—seamless from discovery to citation.
Smart Biomedical Entity Recognition
Deep learning NER models automatically identify and highlight genes, diseases, drugs, cell lines, and more. Real-time access to PubMed, CrossRef, Semantic Scholar—comprehensive biomedical coverage.
Multi-dimensional Precision Filtering
Search by Introduction, Methods, Results, Discussion sections. Combined with publication date and AI-powered ranking—weighing evidence strength, journal impact, and citation trends to surface the most relevant papers first.
Frequently Asked Questions
Real citations, real fast. Here's what you need to know.
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