Free plan: unlimited topics, generated segments each session, extend 1 extra segment per topic. Pro plan: $16.9/month (originally $29), includes unlimited segment extensions, unlimited deep-dive questions, and realtime AI voice playback. Month-to-month with no lock-in; cancel anytime.
Key features
Branch conversations with multiple AI models
Side-by-side model comparison
Infinite visual canvas
Context preservation
Generate infinite audio lessons on any topic
Structured audio course with overview and deep-dive segments
Real-time playback with segment generation during listening
Web and mobile access with no download required
Sentence-by-sentence highlighting for hands-free learning
Browse hundreds of curated topics or enter custom topics
Growing knowledge trail showing mastered topics and next steps
Unlimited deep-dive questions with Pro plan
What makes it different
Compare multiple AI models simultaneously on one canvas
Infinite canvas for organizing AI conversations
Support for multiple AI providers including GPT, Claude and Gemini
Never-ending: Segments keep generating as long as you listen, unlike fixed-episode podcasts
On-demand personalization: Generate content for any topic instantly, not what a host chose
Continuous learning: Knowledge trail builds across all listening sessions
Fits existing time: Learn during dead time—commutes, workouts and chores without needing dedicated study
Free to start with no payment barrier to try learning