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Evaluate features, pricing, platforms, and real user ratings side-by-side to make the right choice.
2 / 4 Tools
| Attribute | OpenAlex by OurResearch non-profit | Unriddle by Unriddle Labs |
|---|---|---|
| Category | Research | PDF & Documents |
| Rating & Reviews | ★New / 5.0 0 verified reviews Weighted score: 0.00 | ★New / 5.0 0 verified reviews Weighted score: 0.00 |
| Pricing Model | free | freemium |
| Starting Price | Free 100% free open data and open API (CC0 License). | $20/mo Free 200 AI actions; Pro at $20/month for unlimited documents and GPT-4o access. |
| Platforms | WebAPI | Web |
| AI Capabilities | 250M+ Research Knowledge GraphCitation Network TraversalInstitution & Author DisambiguationOpen Access Link Identification | Inter-Document Concept LinkingSimultaneous Reading & Writing CanvasAutocomplete CitationsGraph View of Papers |
| Overview | Free, open catalogue of the world's research system with 250M+ scientific works and citations. | Read, write, and organize research documents with an AI assistant that links concepts across your library. |
| Tags | open-accesscitationsbibliographicresearch | knowledge-graphpdfcitationscanvas |
