List of the Top 3 AI Productivity Tools for NotebookLM in 2026

Google AI Pro is an exclusive subscription service that brings cutting-edge AI tools directly to users, helping them enhance both productivity and creativity. For a limited-time price of $9.99 per month, users can access a suite of powerful features, including video generation, deep research capabilities, and an AI filmmaking tool custom built for Veo. With Flow Pro and Whisk Pro, users can unlock the ability to create images from videos and enjoy 1,000 monthly AI credits for enhanced functionality. Notably, Google AI Pro offers up to 5x more audio overviews, notebooks, and enhanced features that allow you to take full advantage of the latest in AI. Subscribers also benefit from direct integration of Gemini in popular Google apps, such as Gmail, Docs, and Google Videos, ensuring a smooth, unified experience. On top of all that, users receive 2TB of total storage for photos, Gmail, and Drive, making it the ultimate productivity and creativity tool.

Google AI Ultra is the ultimate subscription plan for power users who require the most advanced AI tools available from Google. At a reduced price of $124.99 per month for the first three months, subscribers gain unparalleled access to the highest-level AI models, including Gemini Ultra, which features video generation, deep research, and specialized capabilities like 2.5 Pro access for comprehensive analysis. With Flow Ultra and Whisk Ultra, users can create highly customized videos, including features like audio and ingredients-to-video transformations, pushing creative possibilities even further. Google AI Ultra also provides an impressive 12,500 AI credits every month, ensuring continuous access to advanced tools like Flow and Whisk. In addition to 5x more audio overviews, notebooks, and other premium features, subscribers also gain access to Project Mariner, a groundbreaking research prototype. Google AI Ultra integrates Gemini directly into Gmail, Docs, and other Google apps for seamless workflows, further enhancing productivity. With a massive 30TB of storage across Photos, Drive, and Gmail, along with YouTube Premium for ad-free, offline, and background video playback, this plan provides everything a professional needs for high-level creative and research endeavors.

Kortex is an innovative browser extension that turns Google’s NotebookLM into a unified and dynamic knowledge hub, allowing users to effectively capture and systematize vital insights that could easily be forgotten amidst chat histories and a multitude of tabs. With a simple click, it facilitates the archiving of entire AI dialogues from various platforms such as ChatGPT, Gemini, Claude, and Perplexity, while also allowing users to save highlighted text from web pages as accurately cited references directly into NotebookLM. Additionally, Kortex makes it easy to export sources, conversations, or organized notes in different formats like Markdown, JSON, or as downloadable .zip files, and it integrates seamlessly with Google Docs for convenient transfers to NotebookLM. To improve notebook management, Kortex offers the ability to delete several notebooks at once from the dashboard. Designed with the intention of helping users effortlessly access their saved information and ensuring that no idea is overlooked, Kortex can be installed in mere seconds and caters to a growing community of users who are crafting their own "second brain" to boost productivity and creativity. This remarkable tool not only simplifies the arrangement of thoughts but also inspires users to channel their creativity in a more organized way, ultimately transforming the way they interact with information and ideas. By incorporating features that enhance user experience, Kortex is steadily becoming an essential resource for anyone looking to optimize their knowledge management.