Perhaps NotebookLM has gone largely under the radar because it was originally launched as more of an academic research tool when it first appeared back in 2023. Most features are free to use, but you get higher usage limits if you’re signed up to one of Google’s AI subscription plans (starting at $20 a month). Screenshot: GoogleThe Chat tab is where you can really start to see the potential of NotebookLM. From here you can ask any kind of question about the sources you’ve imported. Screenshot: GoogleWhen the AI podcast is ready, tap Play to hear it on the Studio tab.