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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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Semantic Scholar
✓ verifiedFree
Free AI-powered academic search engine indexing 236M+ papers, for researchers wanting semantic literature discovery and an augmented reader.
7.9M visits/mo13K saves
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Scholar AI
✓ verifiedFreemium
AI research search tool for peer-reviewed papers with citation management, now integrated into Jenni AI's writing workspace.
156K visits/mo
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PaperLens
✓ verifiedFreemium
AI research assistant that answers questions grounded in peer-reviewed papers and organizes findings into summaries.
412 visits/mo
Pricing
No public pricing
Basic: $9.99/month (50 credits/month, 9TB uploads)
Premium: $18.99/month (unlimited GPT & Copilot use)
Credits: $4.99 (25 credits)
Credits: $9.99 (50 credits)
Starter: $8/mo billed yearly ($15/mo billed monthly, 500 searches/mo)
Pro: $20/mo billed yearly ($50/mo billed monthly, unlimited searches)
Free trial available
Core features
- ✦AI-powered semantic search across 236M+ papers
- ✦Semantic Reader for augmented, contextual paper reading
- ✦Free public API for paper search and metadata
- ✦Author and topic discovery
- ✦Citation graph exploration
- ✦Beta program for new features
- ✦Search across millions of peer-reviewed papers
- ✦Agentic AI chat that consults research and uploaded PDFs
- ✦Auto-citation in over 2,600 citation styles
- ✦One-click Zotero/Mendeley library import with metadata and PDFs
- ✦ScholarAI GPT available in the ChatGPT GPT Store
- ✦Developer API for integrating research search
- ✦AI answers grounded in peer-reviewed literature
- ✦Conversational follow-up questions and paper deep-dives
- ✦Structured summary generation (findings, methods, limitations)
- ✦Personal research library for saved papers
- ✦Filtering by date, quality, and source credibility
- ✦Semantic search across academic databases
Use cases
- →Researchers searching scientific literature across disciplines
- →Developers building applications on top of scholarly data via the API
- →Students exploring citation networks for a topic
- →Librarians and academics needing free literature discovery tools
- →Finding and citing academic sources for a paper
- →Chatting with AI about uploaded research PDFs
- →Importing an existing reference library for a new project
- →Building custom apps on top of academic search via API
- →Get evidence-backed answers to a research question in seconds
- →Summarize a scientific paper's methods and findings quickly
- →Build a personal library of saved research papers
- →Filter search results to the most credible recent studies
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