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2 / 4 Tools
| Attribute | Perplexity AI by Perplexity AI | Unriddle by Unriddle Labs |
|---|---|---|
| Category | AI Search Subcategory: Conversational Search Engine | 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 | freemium | freemium |
| Starting Price | $20/mo Free search with unlimited quick answers; Pro at $20/month includes 300+ daily Pro Searches. | $20/mo Free 200 AI actions; Pro at $20/month for unlimited documents and GPT-4o access. |
| Platforms | WebiOSAndroidmacOS | Web |
| AI Capabilities | Real-Time Web IndexingDirect Source CitationFocus Search DomainsCollection OrganizingModel Choice | Inter-Document Concept LinkingSimultaneous Reading & Writing CanvasAutocomplete CitationsGraph View of Papers |
| Overview | AI-native search engine delivering direct, synthesized answers backed by reliable web citations and interactive discovery. | Read, write, and organize research documents with an AI assistant that links concepts across your library. |
| Tags | searchcitationsresearchanswersweb | knowledge-graphpdfcitationscanvas |
