LumenAI

We built LumenAI to solve a single problem: NotebookLM doesn't have real chat functionality. 

If you've used NotebookLM for research, you know the frustration. It's excellent at analyzing documents, but the chat experience is fundamentally broken. One chat thread per notebook. No memory across conversation turns. Every discussion feels isolated and disconnected. You can't build on previous insights, can't maintain context across related questions, can't have the kind of deep, exploratory conversations that real research demands.

With LumenAI, you can upload your entire collection of PDFs and documents, ask questions, explore connections, and dive deep through natural, continuous conversations that actually remember your context. Unlike NotebookLM's fragmented one-chat-per-notebook design, LumenAI delivers genuine multi-threaded discussions with seamless continuity across your entire research project.

We've also eliminated the usage anxiety plaguing Claude Projects and Google AI Studio. With our bring-your-own-key model, you control costs and never hit arbitrary subscription limits, and you pay only for what you use.

Advanced RAG technology intelligently retrieves relevant information from massive document collections while keeping API costs reasonable. Choose your preferred LLM model for each message, customize output parameters to match your workflow, and organize research across multiple workspaces.

For graduate students, researchers, and professionals conducting serious knowledge work: this is NotebookLM's document power with the conversational intelligence you've been missing. One-time purchase, complete control, unlimited research potential.