SpotlightTool

Semantic Scholar

Best Free Research Tool

Free AI-powered academic paper search

semanticscholar.org

Last Updated: April 2026

Free
4.3/5
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Semantic Scholar is a free, AI-powered research tool from the Allen Institute for AI. It indexes over 200 million academic papers with semantic search, citation graphs, and AI-generated paper summaries (TLDR). The best free tool for navigating scientific literature.

✅ Pros

  • ✓200M+ papers indexed
  • ✓Completely free
  • ✓AI-generated TLDRs
  • ✓Citation network visualization

❌ Cons

  • ✗No full-text access (paywalled papers)
  • ✗Less curated than Elicit
  • ✗Basic UI

💰 Pricing

Completely free. No premium plan required.

See current pricing on semanticscholar.org →

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