Two research & learning tools, one decision. Here is the honest split.
| Connected Papers | Perplexity | |
|---|---|---|
| Pricing | Free plan | Free plan |
| Best at | Seeing a field's structure at a glance: the clusters, the bridges, the must-reads. | Questions where you need current information with links you can verify. |
| In short | A visual graph tool that maps papers related to a seed paper by citation overlap. | An answer engine that searches the web and cites its sources for every claim. |
| On Atlas | 3 starter prompts | 3 starter prompts |
Pick Connected Papers when the job is Seeing a field's structure at a glance: the clusters, the bridges, the must-reads.. Pick Perplexity when the job is Questions where you need current information with links you can verify.. Still torn? Run one real task through both free tiers. An hour of testing beats a week of reviews.
Summarize the strongest evidence for and against [claim]. Cite primary sources only, rate the strength of the evidence, and end with what is still unknown.