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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.
AI language tutor offering role-play conversations, pronunciation coaching and instant grammar correction across 30+ languages.
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
- ✦Real-life role-play conversation practice
- ✦AI pronunciation coaching for accent and rhythm
- ✦Real-time grammar correction during chats
- ✦Adaptive tutoring based on skill level
- ✦Downloadable course and audio materials
- ✦AI-generated, QR-verifiable proficiency certificates
- →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
- →Practicing job interview or travel conversations in a new language
- →Getting pronunciation feedback without a live tutor
- →Preparing for language proficiency verification
- →Supervised language practice for teen learners