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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 education platform with 80+ teacher tools and student features, built for schools with privacy controls.
Browser extension that adds dual subtitles and click-to-lookup to Netflix and YouTube for learning languages.
Free AI speaking coach that scores English fluency against CEFR levels and simulates IELTS and interview practice.
No public pricing
No public pricing
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
- ✦80+ AI teacher tools
- ✦50+ safe student tools
- ✦AI instructional coach
- ✦Enterprise-grade security and privacy
- ✦District dashboards and rollout support
- ✦Free for teachers
- ✦Dual subtitles on Netflix and YouTube
- ✦Click-to-lookup word translations
- ✦Saveable vocabulary items
- ✦Playback controls for language study
- ✦Works as a browser extension
- ✦AI CEFR English level test (A1-C2) from spoken responses
- ✦IELTS speaking and writing test simulators with band-score feedback
- ✦AI mock job interview practice with feedback
- ✦Daily bite-sized speaking, shadowing, and listening lessons
- ✦Vocabulary booster exercises
- ✦Progress tracking across pronunciation, fluency, and grammar
- →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
- →Plan lessons and cut prep time
- →Personalize student learning
- →Roll out AI safely across a district
- →Build student AI literacy
- →Learn a language while watching shows
- →Look up and save new words from video
- →Study with dual subtitles
- →Preparing for the IELTS speaking exam
- →Practicing job interview English before a real interview
- →Building a daily English speaking habit
- →Assessing CEFR level for school or immigration purposes
- →Business English practice for meetings and workplace scenarios