Side by side
Otio vs Paperguide
Compare what each tool does, what it costs, and how it fits your workflow.
Designed for
Fastest Way To Read & Write - Your Research Focused AI Workspace
AI Research Platform for scientific research workflows
Primary task
Scientific research
Scientific research
Pricing
Freemium · Free + from $10/mo
Freemium · Free + from $12/mo
Pricing details
Free + from $10/mo
Free + from $12/mo
Billing cycle
Monthly
Monthly
API access
Not documented
Listed as available
Platforms
Web, Chrome Extension
Web, Chrome Extension
Integrations
Chrome
Chrome, Excel
Source rating
4.9 / 5 · 11 ratings
4.5 / 5 · 2 ratings
Catalog views
1k
4.2k
Estimated monthly traffic
—
—
Catalog imported
29 Aug 2026
30 Aug 2026
Listed strengths
- Free tier option
- Multilingual compatibility
- Effortless content organization
- Imports Twitter, Pocket bookmarks
- Content resurfacing
- Verified citations grounded in 200M+ peer-reviewed papers from PubMed, arXiv, OpenAlex, and Semantic Scholar
- AI Literature Review (Agent) runs a structured 5-step workflow and screens up to 200 papers in Extended mode
- Full-fledged AI-native Reference Manager replaces Zotero, Mendeley, and EndNote with 1,000+ citation styles, Chrome extension, and shared libraries
- Citation-Grounded AI Paper Writer drafts research papers and review sections with references pulled from your library — no fabricated citations
- PDF Intelligence (Chat with PDF) for methodology Q&A and multi-paper comparison
Listed limitations
- No offline access
- No mobile app version
- No safari or Firefox extensions
- No integration with Readwise
- Not accessible via API
- Requires internet access
- No offline mode
- Limited citation styles
- No mobile app available
- Limited support formats