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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.

Semantic Scholar logo
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
Elicit logo
Elicit
✓ verifiedFreemium

Well-adopted AI research assistant for finding papers, summarizing, and extracting data at scale.

2.1M visits/mo
Open Knowledge Maps logo
Open Knowledge Maps
✓ verifiedFree

Free nonprofit tool that visualizes scientific literature as topic maps, clustering papers to speed research discovery.

113K visits/mo1.1K saves
gizmo.ai logo
gizmo.ai
✓ verifiedFreemium

AI study app that turns notes, PDFs, YouTube and slides into quizzes and flashcards to help students revise.

5.4M visits/mo10K saves
Up Learn logo
Up Learn
✓ verifiedPaid

AI-personalized online A Level and GCSE courses for UK students, backed by an A*/A grade guarantee or money back.

1.6M visits/mo
Pricing

No public pricing

Basic: Free
Plus: $10 per month, billed annually
Pro: $42 per month, billed annually
Team: $65 per user, per month billed annually
Enterprise: Custom

No public pricing

No public pricing

GCSE Combined Science: from £49.99/month
Up Master (2028 access): £694.98 one-time for a single subject
Up Core (2028 access): £549.98 one-time for a single subject
Up Master monthly: £99.99/month pay-as-you-go
Up Core monthly: £74.99/month pay-as-you-go

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
  • AI-enabled systematic reviews
  • Research reports
  • Upload your own PDFs
  • Quick summaries
  • Source quotes
  • Question answering
  • AI-generated visual maps of research topics
  • Clusters papers into themes
  • Open-access resource discovery
  • Open-source and nonprofit
  • Custom integrations/embedding for organizations
  • AI-generated quizzes
  • Flashcard maker
  • Create flashcards from PDFs, notes and slides
  • YouTube and PowerPoint summarizers
  • Spaced-repetition study
  • Mobile app
  • Interactive video lessons mapped to specific exam boards
  • AI diagnostic algorithm for personalized revision
  • Detailed progress tracking across the curriculum
  • Guided exam-question walkthroughs
  • 24/7 online tutor support via chat
  • A*/A grade guarantee with money-back policy
  • 3-day free trial with no payment details required
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
  • Speeding up literature reviews
  • Automating systematic reviews and meta-analyses
  • Learning about new domains
  • Data extraction in rigorous systematic literature reviews
  • Get an overview of a research field
  • Find relevant papers faster
  • Identify key concepts in the literature
  • Embed discovery tools in library systems
  • Revise for school and university exams
  • Turn notes and PDFs into flashcards
  • Study with AI-generated quizzes
  • A Level students preparing for AQA, Edexcel, OCR, or Cambridge International exams
  • GCSE students studying Combined Science
  • Students wanting AI-personalized revision instead of generic textbooks
  • Schools looking to boost student attainment with a supplementary platform
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