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Free AI-powered academic search engine indexing 236M+ papers, for researchers wanting semantic literature discovery and an augmented reader.
AI language coach offering conversational practice with real-time feedback across 130+ languages.
AI-scored practice platform for PTE Academic and PTE Core exam prep, with question banks, predictions and study tools.
Real-time AI interview assistant that transcribes questions and generates answers, marketed as undetectable on screen share.
No public pricing
No public pricing
Free trial available
No public pricing
No public pricing
- ✦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
- ✦Conversational practice with AI tutors
- ✦Real-time personalized feedback and corrections
- ✦Dialogue, sentence, word, call, photo, and debate modes
- ✦Voice interaction with natural AI voices
- ✦Grammar courses and language certificates
- ✦130+ languages on web, iOS, and Android
- ✦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
- ✦real-time question transcription
- ✦AI answers with a choice of GPT or Claude models
- ✦coding interview support
- ✦resume-based personalization
- ✦knowledge base uploads
- ✦invisible during screen share
- ✦AI meeting notes
- →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
- →Self-learners practicing conversational fluency
- →Business teams training employees in new languages
- →Students supplementing classroom language education
- →Preparing for PTE Academic/Core exams
- →Practicing speaking and writing with AI feedback
- →Studying likely exam questions
- →Tracking prep progress
- →getting live answers during job interviews
- →coding interview assistance
- →meeting note-taking