Open Notebook: An Open-Source NotebookLM Alternative That Runs Locally With 4-Speaker Podcasts
aigleeson · x · 2026-09-04
Open Notebook is an open-source, self-hosted alternative to Google's NotebookLM that runs locally for free. You feed it documents, videos, links, audio, or raw text, and it grounds every answer in your material, lets you chat, save notes, and generate podcasts.
Where it beats the Google version:
- Choose from 18+ AI providers, including fully offline local models
- Build podcasts with up to 4 speakers, each with a custom voice and personality (Google locks you to 2)
- Full REST API for automating the whole pipeline
- Self-hosted, so your data never leaves your machine
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