Visual graphs of related research papers
Bottom line: Connected Papers is a top-tier research tool, best known for similarity-based paper graphs. It has a free plan.
Connected Papers builds a visual graph of papers similar to one you start with, grouping them by how closely their references overlap. You can spot foundational works, recent developments, and clusters you might have missed. It suits anyone who wants a fast map of a field before diving into reading.
| Tool | Rating | Free | From | Best known for |
|---|---|---|---|---|
| Connected Papers (this tool) | 4.5 | Yes | $5/mo | Similarity-based paper graphs |
 ResearchRabbit | 4.6 | Yes | Free | Citation network visualization |
 Semantic Scholar | 4.6 | Yes | Free | 200M+ paper index |
 NotebookLM | 4.5 | Yes | Free | Answers grounded in your files |
Connected Papers is an excellent research tool, best known for similarity-based paper graphs. It offers a free plan, with paid upgrades from $5/mo.
What makes it different: Connected Papers stands out for similarity-based paper graphs.
Find academic sources for your writing
AI research assistant for papers
Summarize papers into structured flashcards
Free AI search across academic papers