AI Agent Index

Connected Papers vs Perplexity AI (2026)

Side-by-side comparison of Connected Papers and Perplexity AI — pricing, capabilities, integrations, deployment complexity, and ratings. Last updated April 2026.

Data sourced from The AI Agent Index · Updated daily

Connected Papers logo

Connected Papers

by Connected Papers

Visual tool for exploring and understanding the academic literature around a paper of interest.

freemiumB2B
Visit Connected Papers
Perplexity AI logo

Perplexity AI

by Perplexity AI

AI answer engine with real-time web research and inline citations.

freemiumB2C
Visit Perplexity AI
FeatureConnected PapersPerplexity AI
Pricing modelfreemiumfreemium
Starting priceFree$20/mo
Customer segmentB2BB2C
Deploymentwebweb, api, mobile
Setup difficultyeasyeasy
Avg setup time5 minutes
Model architectureProprietaryMulti-model (Sonar)
Rating4.2 / 54.7 / 5

Capabilities

Connected Papers

literature-reviewcitationsweb-searchsystematic-review

Perplexity AI

web-searchcitationsdeep-researchreal-time

Pros & Limitations

Editorial assessment

Connected Papers

Pros

  • Unique visual paper discovery approach
  • Great for mapping an unfamiliar field quickly
  • Good free tier for individual use

Limitations

  • Limited to 5 graphs per month on free tier
  • No synthesis or summarisation features
  • Best for discovery — not analysis

Perplexity AI

Pros

  • Real-time web search with cited sources
  • Fast and accurate across a wide range of topics
  • Strong for current events and market data

Limitations

  • Less depth than Elicit for academic research
  • Pro features require paid subscription
  • Can occasionally surface low-quality sources

Frequently asked questions

What is the difference between Connected Papers and Perplexity AI?

Connected Papers is a freemium ai research agents targeting b2b customers. A standout strength: Unique visual paper discovery approach. Perplexity AI is a freemium tool targeting b2c customers. A standout strength: Real-time web search with cited sources. See the full comparison table above for a detailed breakdown.

Is Connected Papers or Perplexity AI better for my team?

Connected Papers suits b2b teams with easy setup complexity, starting at $0. Key consideration: Limited to 5 graphs per month on free tier. Perplexity AI is designed for b2c teams with easy setup complexity, starting at $20. Key consideration: Less depth than Elicit for academic research. Consider your budget, team size, and existing integrations before choosing.

How does Connected Papers pricing compare to Perplexity AI?

Connected Papers uses a freemium model, starting at $0 per month. Perplexity AI uses a freemium model, starting at $20 per month. Both pricing structures are tracked and updated regularly on The AI Agent Index.

What are the main limitations of Connected Papers vs Perplexity AI?

Connected Papers limitations include: Limited to 5 graphs per month on free tier; No synthesis or summarisation features. Perplexity AI limitations include: Less depth than Elicit for academic research; Pro features require paid subscription. Review the Pros & Limitations section above for the complete editorial assessment.

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