Insight tag
6 related stories.
Google rolled out NotebookLM Deep Research on November 13, 2025, pairing a user-guided plan and hundreds of web pages with a report and selectable sources for notebook import.
Read analysisGoogle began rolling out NotebookLM Video Overviews on July 29, 2025 as English narrated slides using source images, diagrams, quotes and numbers, alongside a redesigned Studio.
Read analysisGoogle introduced Discover Sources in NotebookLM on April 2, 2025, letting users describe a topic, review up to 10 annotated web recommendations, and import selected sources.
Read analysisGoogle began a March 19, 2025 NotebookLM rollout for interactive Mind Maps, organizing notebook topics as navigable connections; access and support conditions remained separate.
Read analysisPerplexity launched Comet on July 9, 2025, initially offering its AI browser to Max subscribers while planning invite-only waitlist access over the summer.
Read analysisOpenAI introduced deep research in February 2025 as a multi-step web research capability with a report and source citations.
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