AI Book Summarizer
Features
- Turns lengthy books into concise summaries
- Links summary claims to specific pages or paragraphs in the source
- Lets you ask questions about the book in an interactive dialogue
- Handles many sources at once with large context windows
- Converts summaries into visual mind maps
- Generates audio overviews as a conversation between two AI hosts
- Creates narrated video overviews
Pricing Details
💵 Pricing (February 2026 Status) Most tools offer a "Freemium" model with a high-capacity "Ultra" tier for professional researchers: Plan Price (Approx.) Key Features Free Tier $0 Basic summaries; limited sources (e.g., 5-10 per notebook); Standard AI models. Pro / Plus ~$19.99 / mo Unlimited Audio Overviews; Higher source limits (up to 100); Custom output styles. Ultra / Elite ~$249.00 / mo Up to 600 sources; 50x content generation; Private team workspaces; Video Overviews. 🎁 Free Access: The most powerful free entry point in 2026 is Google's NotebookLM. It is currently free for most users and provides the best "Audio Overview" and "Source Grounding" features available, requiring only a standard Google account.