A workspace for reading articles, PDFs, videos and podcasts with AI explanations and cross-source questions
You, your team and AI, working together
Stage
Startup
Not given
Founded
2026
Not given
Based in
US
CN
Pricing model
Freemium
Free
Pricing
Free plan with 100 comprehension units/month. Pro $9/month with 300 units. Premium $19/month with 600 units. Scholar $39/month with 1,200 units. Annual billing saves 17%: Pro $90/year, Premium $190/year, Scholar $390/year. Unit packs from $10 for 200 units.
Not given
Key features
Clean reading view for articles, PDFs, podcasts, videos and newsletters
Inline explanations for difficult passages written from surrounding context
Cross-source question answering with citations
Structural navigation showing key moments and density maps
Connected note-taking tied to source passages
Natural voice narration for listening
Notebook feature for gathering related sources with notes and questions
Discover shelf suggesting rights-cleared reading related to your library
Course builder to create lessons from saved documents
Integration with ChatGPT and browser extensions for Chrome and Firefox
Flexible task and calendar planning
Team assignments and progress tracking
Cross-device synchronization
AI agent integration
Shared context and memory
Offline capture with sync
AI-assisted organization and recap
Command-line interface
MCP interface and AI plugins
What makes it different
Explanations stay beside the source instead of requiring you to leave to look up terms
Questions cite specific passages from sources so answers are traceable
Notes automatically stay attached to the passages that prompted them
Works with PDFs, videos, podcasts and articles in one unified workspace
Unified context across people, devices and AI agents
Native AI agent integration for progress management
Flexible planning with context preservation through changes
Omphalis
Nuto