Possibility of No-Code Creation of Free AI Knowledge Base with basic chat interface using Google NotebookLM but with free tier limits
Last updated on 19 Mar 2026 Using Google’s NotebookLM, which has a free tier, you can create an AI knowledge base. Source material about the knowledge base in formats like Google Docs, pdfs or text should be uploaded to the notebook. Then the AI should be able to perform natural language queries against that specific data, providing source-grounded responses with clickable citations that point directly back to the uploaded documents to ensure accuracy. Unlike generic AI chatbots that "forget" information as a conversation grows long or require files to be re-uploaded for every new session, NotebookLM maintains Global Context Persistence —ensuring that all uploaded sources are immediately and permanently available to every chat session created within that notebook. Note that this process does not need any software development work and so is a 'no-code creation' process. The main free tier limits for NotebookLM are as follows: Notebooks: 100 Sources per notebook: 50 S...