Research Article

Connected Papers vs Research Rabbit (2026): Which Finds Better Papers?

I tested both tools extensively. Connected Papers wins for visualizing one paper's citation neighborhood; Research Rabbit wins for multi-paper discovery. Full comparison inside.

Connected Papers excels at citation-based visualization of a single paper's neighborhood. Research Rabbit is better for collection-based discovery and ongoing suggestions. Use Connected Papers to understand one paper's citation neighborhood; use Research Rabbit for broader exploration.

Connected Papers vs Research Rabbit: Which Finds Better Papers?

TL;DR: Connected Papers excels at citation-based visualization of a single paper's neighborhood. Research Rabbit is better for collection-based discovery and ongoing suggestions. Use Connected Papers to understand one paper's citation neighborhood; use Research Rabbit for broader exploration. For a more complete workflow, PapersFlow combines discovery with analysis.

Finding relevant papers is where every literature review starts. You have a few key papers—now you need to find the rest. Connected Papers and Research Rabbit are two popular free tools that help with this, but they work differently.

| Feature | Connected Papers | Research Rabbit | |---------|------------------|-----------------| | Main approach | Citation graph visualization | Collection-based suggestions | | Input | Single paper | Multiple seed papers | | Output | Visual similarity graph | Suggested paper lists | | Best for | Understanding a paper’s neighborhood | Broad exploration | | Cost | Free (with limits) | Free | | Zotero export | Manual | Direct integration |

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Frequently Asked Questions

Is Connected Papers still working in 2026?
Yes, Connected Papers still works for its core citation graph feature. Development has slowed, but the visualization tool remains functional. Some users report newer papers may take time to appear in the database.
Is Research Rabbit free to use?
Yes, Research Rabbit is completely free. It offers unlimited collections, paper suggestions, and visualizations at no cost. The tool is funded by grants and aims to remain free for researchers.
Which is better for systematic literature reviews?
Neither tool is designed for systematic reviews. Both are discovery tools for exploring literature. For systematic reviews requiring comprehensive coverage and documentation, consider dedicated systematic review software or research tools with structured review workflows.
Can I export papers from these tools to Zotero?
Research Rabbit offers direct Zotero integration for exporting papers. Connected Papers provides citation information that can be manually added to reference managers. Both support downloading paper metadata.

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