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Perplexity AI vs Perplexity Labs vs Scite

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

Perplexity AIPerplexity LabsScite
What it isAI-powered search engine providing accurate, sourced answers using LLMs and real-time web search.Runs a longer research task and returns a report, a spreadsheet or a small app rather than an answer.Shows whether a paper’s citations support it or contradict it, rather than merely counting them.
CategoryResearchResearchResearch
PricingFreemium · $20/moPaid · Included with Perplexity Pro $20/moPaid · From $20/mo
How it billsFlat monthlyBundledFlat monthly
Free tierYesNoNo
Rating4.6 from 5,400 reviewsNot yet ratedNot yet rated
Features
  • Real-time web search
  • Cited sources
  • Pro Search deep research
  • File analysis
  • Image search
  • Code execution
  • Collections
  • API access
  • Multi-minute research runs
  • Report, spreadsheet and app outputs
  • Charts generated from findings
  • Citations throughout
  • Shareable results
  • Citations classified as supporting or contrasting
  • Citation context snippets
  • Reference checking for a manuscript
  • Browser extension
  • Journal and author dashboards
What works
  • Accurate with citations
  • Real-time information
  • Excellent for research
  • Clean interface
  • Generous free tier
  • Produces a usable artefact, not just text
  • Well cited
  • Good at breadth-first research
  • Unique and genuinely useful signal
  • Exposes retracted and disputed work
  • Fits into existing reading workflow
What does not
  • Pro features behind paywall
  • Sometimes shallow answers
  • Limited creative tasks
  • Fewer integrations
  • Requires a Pro subscription
  • Slow by design
  • Depth varies by topic
  • No meaningful free tier
  • Classification is imperfect
  • Only as good as coverage in a field
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