Does NotebookLM have Custom Instructions?

We have not verified whether NotebookLM supports Custom Instructions. Set persistent, global rules for how the AI should behave or respond across all chats (e.g., always output Python code, or never use emojis). NotebookLM is now Gemini Notebook, Google’s standalone research tool. A global custom-instructions setting was not confirmed in the help articles checked.

Tool

📓 NotebookLM by Google

Feature

Custom Instructions · Memory & Context

Status

Unknown

Notes

A global custom-instructions setting was not confirmed in the help articles checked.

Pricing

Plan availability not confirmed.

Last verified

2026-09-02