| What it does | AI-powered PDF summarizer and document chat
| Read papers. Keep what you learn.
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| Stage | Not given
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| Founded | Not given
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| Based in | Not given
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| Pricing model | Freemium
| Freemium
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| Pricing | Free plan: up to 1,000 pages per month. Advanced, Ultimate, and Premium plans available. Student pricing: $4.99/month.
| Free: desktop app and self-hosted server. Lite: $2/month or $20/year. Plus: $5/month or $50/year. Pro: $20/month or $200/year.
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| Key features | - Instant AI summaries
- Page-linked citations
- Chat with multiple PDFs
- Handles up to 1,200 pages per file
- Multi-language support
- Quizzes and study guides
- Detailed exam notes
- Encrypted and secure file storage
- Summarize content in 2 to 10 seconds
- API integration available
| - Highlight, draw, and annotate on PDFs with every mark becoming a note
- Outliner with live Markdown and LaTeX for mathematical notation
- AI chat to ask questions about papers with cited answers
- Full-library search across notes, highlights, and all PDFs
- Shared workspaces with live cursors and comments for collaboration
- Works offline on iPad, Android, and desktop with automatic sync
- Integrations with Zotero, Obsidian, Logseq, and Notion
- Browser extension for one-click saving papers with metadata
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| What makes it different | - Page citations let you verify every answer in one click
- Handles huge documents up to 1,200 pages with no splitting needed
- Files are encrypted and never used for training
- Extremely fast summarization in 2 to 10 seconds
- Free to use with generous 1,000 pages per month limit
| - Self-hosted option with one Docker image for full control over data
- Live math support with Markdown and LaTeX directly in outliner notes
- Works on any device: Windows, macOS, Linux, iPad, Android, and browsers
- No vendor lock-in with SQLite files and export at any time
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| Community votes | 0 | 0 |
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| DR (Domain Rating by Ahrefs) | 30 ▼ −1 (down) since last check | Not checked yet ● no change since last check |
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| Trust Flow (Majestic) | 8 | 0 |
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| Citation Flow (Majestic) | 34 | 9 |
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| Referring domains (Majestic) | 343 | 1 |
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PdfGPT
Gamma PDF