Compare tools
Side-by-side features, use cases and pricing — because the right pick depends on your job and budget, not just the ranking.
⇄ Comparison dimension — pick the market you're actually shopping in
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AI ChatDocs
✓ verifiedFreemium
Chat-with-documents tool that summarizes and answers questions across PDFs, Office files, websites and YouTube; free tier plus plans.
2.4K visits/mo
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PaperChat
✓ verifiedPaid
AI chat to read, summarize, and search documents; clear PDF niche with pricing.
304 visits/mo
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Side Reader
✓ verifiedFreemium
Browser extension that adds a PDF viewer/chat sidebar to ChatGPT, Claude, and DeepSeek for reading and querying documents.
341 visits/mo
Pricing
Starter: $9.99/mo (250 messages/30 days)
Pro: $29.99/mo (1,000 messages)
Business: $49.99/mo (2,000 messages)
Premium: $3.99/month
Enterprise: $14.99/month
No public pricing
Free: $0/mo (limited uploads and file size)
Lifetime: $29 one-time (higher upload limits, capture-and-ask, custom prompts)
Core features
- ✦Chat with PDFs and Office documents
- ✦Website, sitemap and YouTube ingestion
- ✦Automated summaries and Q&A
- ✦Reference and quote extraction
- ✦Multi-document conversations
- ✦Chat history and workspaces
- ✦AI-powered document interaction
- ✦Multiple document type support
- ✦Conversation exporting
- ✦Sourced answers
- ✦Multiple PDF search at once
- ✦Multilingual support
- ✦AI-Generated Notes
- ✦Summarize YouTube videos with AI
- ✦Podcast to notes AI
- ✦Meeting notes AI generator
- ✦Summarize PDFs with AI
- ✦Quizzes & Flashcards Generation
- ✦Mind Maps Generation
- ✦AI Chat with Notes
- ✦Custom Note Styles
- ✦Split-screen PDF viewer alongside AI chat
- ✦Zoom and text-copy tools for PDFs
- ✦Upload history tracking
- ✦Capture-and-ask screenshot querying (paid)
- ✦Custom prompt support (paid)
Use cases
- →Research and literature review
- →Legal document analysis
- →Document summarization and Q&A
- →Project knowledge lookup
- →Streamlining data extraction from courseworks for school institutions
- →Facilitating article research for researchers
- →Optimizing legal document analysis for lawyers
- →Delivering swift support insights for customer support
- →Expediting real estate contract analysis
- →Summarizing YouTube videos for quick insights
- →Converting lectures and meetings into structured notes
- →Creating flashcards and quizzes from study materials
- →Generating mind maps for complex topics
- →Summarizing research papers efficiently
- →Researchers reading and querying PDFs via AI
- →Students studying documents with AI help
- →Professionals reviewing reports using ChatGPT/Claude/DeepSeek
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