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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
PTE APEUni logo
PTE APEUni
✓ verifiedFreemium

AI-scored practice platform for PTE Academic and PTE Core exam prep, with question banks, predictions and study tools.

2.1M visits/mo

Plant identification app with a 17,000+ species database plus care schedules, disease ID and botanist Q&A for home gardeners.

1.2M visits/mo
SHIFT AI logo
SHIFT AI
✓ verifiedPaid

Japanese-language membership community teaching professionals and side-hustlers how to apply generative AI to their work.

1.2M 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

No public pricing

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 scoring for speaking and writing
  • Full PTE question-type practice
  • Weekly exam prediction files
  • Vocabulary books and shadowing tools
  • AI study plan and score analysis
  • Web and mobile app sync
  • Photo-based plant identification
  • Database of 17,000+ species
  • Disease and pest identification
  • Personalized watering and care schedules
  • Ask-the-Botanist expert answers
  • Customizable plant lists and reminders
  • 110+ video courses across AI-tool, automation, and business topics
  • live webinars from invited AI practitioners
  • in-person regional networking events
  • free one-on-one career/AI consultation
  • corporate AI upskilling program for companies
  • member success-story interviews and community leaderboard
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
  • Preparing for PTE Academic/Core exams
  • Practicing speaking and writing with AI feedback
  • Studying likely exam questions
  • Tracking prep progress
  • Identify an unknown houseplant or flower
  • Diagnose plant diseases and pests
  • Set up a watering and care routine
  • Learn care specifics for a species
  • learning to use generative AI tools for daily work
  • exploring AI-related side income or career change
  • corporate AI adoption training for employees
  • networking with other AI learners across Japan
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