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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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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
Pricing
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
- ✦Video lessons
- ✦Revision notes
- ✦Quizzes
- ✦Flashcards
- ✦Exam-style questions
- ✦Past papers
- ✦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
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
- →Preparing for Maths and Science exams at KS3, GCSE, and A-Level.
- →Preparing for PTE Academic/Core exams
- →Practicing speaking and writing with AI feedback
- →Studying likely exam questions
- →Tracking prep progress
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