Search, read, and cite research with AI
4.2 Bottom line: Paperguide is a strong research tool, best known for AI literature review agent. It has a free plan.
Paperguide searches a database of over 200 million papers, analyzes them, and helps you run literature reviews, chat with PDFs, and manage references in one workspace. It extracts data points across sources and flags where the field agrees or disagrees. It fits students and researchers who want discovery and writing together.
| Tool | Rating | Free | From | Best known for |
|---|---|---|---|---|
| Paperguide (this tool) | 4.2 | Yes | $10/mo | AI literature review agent |
 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 |
Paperguide is a strong research tool, best known for AI literature review agent. It offers a free plan, with paid upgrades from $10/mo.
What makes it different: Paperguide stands out for AI literature review agent.
Citation network discovery, free and open
Visual graphs of related research papers
Visual citation mapping for literature reviews
Ask questions across your documents