Best free Connected Papers alternatives

Looking for a free alternative to Connected Papers? Here are 9 academic research worth trying — 9 with a free tier. Connected Papers itself is free tier + paid.

ToolConnected Papers (you searched)Semantic ScholarResearchRabbitAi2 Paper Finder (Asta)
Pricingfreemiumfreefreefree
Best forVisual graph of related papers built from co-citation analysisFully free AI-powered search across 237M+ scientific papersVisual citation-network mapping across 310M+ papersAgentic literature-search tool built by Ai2, now folded into the broader 'Asta' research-agent platform
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Connected Papers alternatives — straight answers

What is the best free alternative to Connected Papers?

Semantic Scholar is the closest free alternative to Connected Papers: same Academic Research sub-category, and it is free. Fully free AI-powered search across 237M+ scientific papers

Are there free Connected Papers alternatives?

Yes — 9 of the 9 alternatives listed here are free or freemium: Semantic Scholar, ResearchRabbit, Ai2 Paper Finder (Asta), alphaXiv, Elicit. None of them are paid-only.

Is Connected Papers free?

Connected Papers is free tier + paid. There is a free tier you can work in, with paid plans above it.

How were these Connected Papers alternatives chosen?

They are the other tools in Academic Research, then the rest of Research & Learning, ordered free tiers first and capped at 9. There is no sponsorship and no paid placement in that ordering — only the pricing tier decides.

All Connected Papers alternatives

Browse Academic Research →

Semantic Scholar

Academic Research
free

✦ WhyA Connected Papers alternative — Fully free AI-powered search across 237M+ scientific papers.

  • Fully free AI-powered search across 237M+ scientific papers
  • Semantic Reader augmented-reading tool for papers
  • Free public API used by many other research tools

ResearchRabbit

Academic Research
free

✦ WhyA Connected Papers alternative — Visual citation-network mapping across 310M+ papers.

  • Visual citation-network mapping across 310M+ papers
  • Zotero integration for reference management
  • Used by 1M+ researchers at Harvard/Stanford/MIT/Oxford, free to sign up

Ai2 Paper Finder (Asta)

Academic Research
free

✦ WhyA Connected Papers alternative — Agentic literature-search tool built by Ai2, now folded into the broader 'Asta' research-agent platform.

  • Agentic literature-search tool built by Ai2, now folded into the broader 'Asta' research-agent platform
  • Free to use, iteratively expands/narrows search based on natural-language queries
  • Built on Semantic Scholar's corpus

alphaXiv

Academic Research
free

✦ WhyA Connected Papers alternative — Free overlay for arXiv papers with public discussion/comment threads per paper.

  • Free overlay for arXiv papers with public discussion/comment threads per paper
  • Personalized research feed and researcher-follow system
  • Browser extension and MCP server for agent integration

Elicit

Academic Research
freemium

✦ WhyA Connected Papers alternative — Find and summarize research papers.

  • Find and summarize research papers
  • Extract data across studies
  • Systematic-review workflows
  • Free monthly credits

Consensus

Academic Research
freemium

✦ WhyA Connected Papers alternative — Answers grounded in peer-reviewed papers.

  • Answers grounded in peer-reviewed papers
  • Consensus Meter across studies
  • Study snapshots and quality
  • Free searches

SciSpace

Academic Research
freemium

✦ WhyA Connected Papers alternative — Explain and chat with any paper.

  • Explain and chat with any paper
  • Literature review and comparison tables
  • Paraphrase and citation help
  • Free tier

Undermind

Academic Research
freemium

✦ WhyA Connected Papers alternative — Exhaustive, agentic literature search.

  • Exhaustive, agentic literature search
  • Finds hard-to-surface papers
  • Explains why each result matters
  • Free searches to start

Litmaps

Academic Research
freemium

✦ WhyA Connected Papers alternative — Network-map visualization of citations across a research topic.

  • Network-map visualization of citations across a research topic
  • Automatic monitoring/alerts for new relevant papers
  • 350,000+ researchers across 150 countries

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