When was NotebookLM released?
NotebookLM was first launched as "Project Tailwind" at Google I/O in May 2023. It was rebranded to NotebookLM in late 2023 and has shipped major upgrades through 2024-2026, including Audio Overviews, Plus tier, mobile apps, and increased source limits.
In more detail
NotebookLM's timeline: May 2023 — launched as experimental Project Tailwind at Google I/O. Late 2023 — rebranded to NotebookLM. 2024 — launched globally; Audio Overviews shipped (huge cultural moment); source limit increased from 50 to 300. 2025 — NotebookLM Plus tier launched via Google One AI Premium; native iOS and Android apps shipped; Mind Maps added; shared notebooks for Plus. 2026 — continued maturation; broader Audio Overview language support; expanded customization; Plus tier expanded.
Get one-click capture for NotebookLM
Notebook Toolkit saves ChatGPT, Claude, YouTube, Reddit, and any web page to NotebookLM in one click. Free to install.
Install Notebook Toolkit