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Tools · Comparison

Connected Papers vs Consensus vs Perplexity AI

All three are research tools. Here is what separates them.

Connected PapersConsensusPerplexity AI
What it isA unique, visual tool to help researchers and applied scientists find and explore papers relevant to their field of work.Answers a yes-or-no research question by aggregating what the papers actually found.AI-powered search engine providing accurate, sourced answers using LLMs and real-time web search.
CategoryResearchResearchResearch
PricingPaidFreemium · Free · from $8.99/moFreemium · $20/mo
How it billsNot publishedFlat monthlyFlat monthly
Free tierNoYesYes
RatingNot yet ratedNot yet rated4.6 from 5,400 reviews
Features—
  • Evidence-based answers from papers
  • Consensus meter across studies
  • Study quality indicators
  • Citation export
  • Filters by study type
  • Real-time web search
  • Cited sources
  • Pro Search deep research
  • File analysis
  • Image search
  • Code execution
  • Collections
  • API access
What works
  • Sits in Research, one of the better-covered categories here — easy to compare
  • Shows disagreement rather than hiding it
  • Every answer traces to papers
  • Good free tier
  • Accurate with citations
  • Real-time information
  • Excellent for research
  • Clean interface
  • Generous free tier
What does not
  • No free tier — it has to be paid for before it can be tried
  • Does not publish a price on its own site, so the cost is only clear after signing up
  • 44 other tools in this catalogue claim to do the same job
  • 12 tools in the same category have a free tier
  • Only covers questions research has addressed
  • Consensus meter oversimplifies
  • Field coverage is uneven
  • Pro features behind paywall
  • Sometimes shallow answers
  • Limited creative tasks
  • Fewer integrations
Visit Connected PapersVisit ConsensusVisit Perplexity AICompare more tools