Perplexity AI vs Semantic Scholar

Side-by-side comparison of Perplexity AI and Semantic Scholar: pricing, features, API access, and community ratings.

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Perplexity AI
Perplexity AI

AI-powered search engine that answers questions with cited, up-to-date sources.

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Semantic Scholar
Semantic Scholar

AI-powered academic search engine for scientific literature

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Category
Search & research
Chat assistants
Pricing
Freemium
Free
Starting price
USD 20/mo
Free
Free tier
Audience
All audiences
All audiences
API available
Open source
Self-hostable
Model provider
Perplexity / OpenAI / Anthropic
Allen Institute for AI (AI2)
Founded
2022
2015
Headquarters
San Francisco, US
Seattle, USA
Key strengths
  • ·real-time web search
  • ·cited sources
  • ·Sonar API
  • ·follow-up questions
  • ·AI-powered semantic search across 200M+ academic papers
  • ·Free public API for programmatic access to paper metadata
  • ·Citation graph and influence analysis
  • ·Auto-generated TLDRs for rapid paper comprehension