NotebookLM’s new update will help you build source repository from chat

Google has updated its NotebookLM research tool to include Gemini 3.5 as the default model and added new features that allow users to build knowledge bases through chat. The tool now supports advanced research capabilities and exports to various formats like Excel, PowerPoint, and structured data.
Why it matters
These updates demonstrate Google's strategy to integrate generative AI more deeply into productivity workflows and research tasks.
Google on Monday announced an update to its NotebookLM research tool, which includes new features and the shift to Gemini 3.5 as the default model. The company is also adding Antigravity -powered software skills to help users with research and generating different kinds of outputs.
The article is a standard product update announcement from a tech news outlet.
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