Google's NotebookLM Gets Massive AI Upgrade with 8x Larger Context Window and Custom Role Settings

Oct 30, 2025
Google
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Summary

Google dramatically enhances NotebookLM with an 8x larger context window, 6x longer conversation memory, and 50% better response quality, while introducing custom role settings that let users transform the AI into specialized advisors like research consultants or marketing strategists.

Key Points

  • NotebookLM receives major performance upgrades including an 8x larger context window, 6x longer conversation memory, and 50% improvement in response quality powered by the latest Gemini models
  • Users can now set custom goals for their notebooks to personalize chat behavior, allowing NotebookLM to adopt specific roles like research advisor, marketing strategist, or game master
  • New features include automatic conversation history saving that persists across sessions, enhanced source analysis that explores documents from multiple angles, and improved contextual understanding for large document collections

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