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Free AI-powered academic search engine indexing 236M+ papers, for researchers wanting semantic literature discovery and an augmented reader.
Well-adopted AI research assistant for finding papers, summarizing, and extracting data at scale.
AI language coach offering conversational practice with real-time feedback across 130+ languages.
Free AI-assisted career aptitude quiz that matches personality and skills to suggested tech career paths.
AI-scored practice platform for PTE Academic and PTE Core exam prep, with question banks, predictions and study tools.
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
- ✦AI-enabled systematic reviews
- ✦Research reports
- ✦Upload your own PDFs
- ✦Quick summaries
- ✦Source quotes
- ✦Question answering
- ✦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-assisted career matching using validated psychological models
- ✦Instant results with no account required
- ✦Personality analysis alongside skill-based career matches
- ✦Ranked list of best-fit career paths
- ✦Job role overview summaries for each match
- ✦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
- →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
- →Self-learners practicing conversational fluency
- →Business teams training employees in new languages
- →Students supplementing classroom language education
- →People considering a career change into tech seeking data-driven direction
- →Students unsure which tech role fits their strengths
- →Job seekers wanting language to explain their strengths to employers or mentors
- →Preparing for PTE Academic/Core exams
- →Practicing speaking and writing with AI feedback
- →Studying likely exam questions
- →Tracking prep progress