“The text-to-speech model is the limitation of how natural this will sound,” they wrote on NotebookLlama’s GitHub page. “[Also,] another approach of writing the podcast would be having two agents debate the topic of interest and write the podcast outline. Right now we use a single model to write the podcast outline.”

NotebookLlama isn’t the first attempt to replicate NotebookLM’s podcast feature. Some projects have had more success than others. But none — not even NotebookLM itself — have managed to solve the hallucination problem that dogs all AI. That is to say, AI-generated podcasts are bound to contain some made-up stuff.