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Side-by-side features, use cases and pricing — because the right pick depends on your job and budget, not just the ranking.
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txyz.ai
✓ verifiedFreemium
AI research assistant for reading, searching, and writing about academic papers, built for researchers managing a personal library.
110K visits/mo
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Connected Papers
✓ verifiedFreemium
Widely used visual tool for exploring related academic papers.
873K visits/mo
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researcher.life
✓ verifiedPaid
Subscription bundling Editage's academic AI tools: writing assistant, journal finder, literature search, and illustration maker.
723K visits/mo
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Infranodus
✓ verifiedFreemium
Knowledge-graph text analysis tool that surfaces topics and content gaps for research, SEO and market analysis.
71K visits/mo
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ResearchRabbit
✓ verifiedFreemium
Free-first literature discovery tool that visually maps citation networks and related papers to speed up systematic reviews.
1.2M visits/mo79 saves
Pricing
Free: $0/year (up to 100-page file analysis, 5 writing pages)
Pro: $96/year (up to 100-page analysis, full library access)
Ultra: $288/year (up to 300-page analysis, 3x context window)
Free: USD 0
Academic: USD 3 /month*
Business: USD 10 /month*
Academic Group: 3 USD / seat / month*
Business Group: 10 USD / seat / month*
Academic Library: Request a Quote
No public pricing
No public pricing
Free: $0/month (unlimited searches across 310M+ articles)
ResearchRabbit+ Annual: $10/month
ResearchRabbit+ Monthly: $12.5/month
Core features
- ✦AI-assisted search across academic papers
- ✦Chat-based Q&A over uploaded documents with source citations
- ✦Personal research library with retention limits by plan
- ✦AI writing agent for drafting research-based content
- ✦API access for institutions and businesses
- ✦Adjustable file upload size (up to 300 pages on top tier)
- ✦Visual graph generation of related academic papers
- ✦Discovery of prior and derivative works
- ✦Identification of important and relevant papers
- ✦Exploration of research field dynamics
- ✦AI academic writing assistant with grammar and phrasing suggestions
- ✦Journal recommender matched to a manuscript's abstract
- ✦Scientific illustration library with drag-and-drop editor
- ✦Literature discovery across 300M+ academic papers
- ✦Plagiarism checking and multilingual translation support
- ✦Research skill courses included with subscription
- ✦Text network / knowledge graph visualization
- ✦Topic modeling and content-gap detection
- ✦AI insight and question generation
- ✦GraphRAG and MCP server for LLMs
- ✦Many import sources (PDF, CSV, YouTube, Google, web)
- ✦Obsidian plugin and browser extension
- ✦Citation and author network exploration from a seed paper
- ✦Interactive visualizations of how topics relate over time
- ✦Unlimited library organization and collection sharing
- ✦Zotero integration for syncing saved papers
- ✦Up to 300 seed articles supported on the paid tier
- ✦Alerts for new related research
Use cases
- →Finding papers relevant to a research topic
- →Getting quick summaries and answers from long PDFs
- →Managing and revisiting a personal library of research papers
- →Drafting literature-informed writing with AI assistance
- →Integrating paper search/analysis into an institution's own tools via API
- →Getting a visual overview of a new academic field
- →Ensuring no key papers are missed in a field with a large volume of new publications
- →Creating a bibliography for a thesis
- →Discovering relevant prior and derivative works
- →Non-native English researchers polishing manuscripts before submission
- →Finding the right journal for a paper's subject area
- →Building scientific figures without a graphic designer
- →Keeping up with new literature in a research field
- →Research and idea generation
- →SEO content-gap analysis
- →Qualitative and market research
- →Building a systematic literature review efficiently
- →Discovering research gaps in an unfamiliar field
- →Tracking new publications related to saved papers
- →Visualizing how a body of research has evolved
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