Two research & learning tools, one decision. Here is the honest split.
| ChatPDF | Research Rabbit | |
|---|---|---|
| Pricing | Freemium | Free |
| Best at | Contracts, papers, manuals, and reports you need answers from without reading cover to cover. | Exploring a new field visually: start from one seed paper and walk the citation graph. |
| In short | Upload a PDF, ask it questions. The fastest way to interrogate a long document. | A literature-mapping tool that grows a citation graph from one paper, surfacing clusters you would never search for. |
| On Atlas | 3 starter prompts | 3 starter prompts |
Pick ChatPDF when the job is Contracts, papers, manuals, and reports you need answers from without reading cover to cover.. Pick Research Rabbit when the job is Exploring a new field visually: start from one seed paper and walk the citation graph.. 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.