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NotebookLM

Google's AI research assistant grounded in your own documents

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Looking for a tool like NotebookLM (Google's AI research assistant grounded in your own documents)? Below are 27 AI tools people use as an alternative to NotebookLM, ranked by leaderboard position. Each one is approved by our editors and worth comparing before you decide.

ChatGPT
ChatGPT

OpenAI's chatbot — the one hundreds of millions use weekly

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Claude
Claude

Anthropic's AI assistant, built with safety front and center

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Gemini
Gemini

Google's AI assistant, now on the Gemini 3 model family

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Grok
Grok

xAI assistant with native image and synchronized audio-video generation

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Notion AI
Notion AI

AI writing and Q&A built directly into Notion

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Notion
Notion

Flexible workspace for docs, wikis, and databases

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Perplexity
Perplexity

Cited AI search with an Android assistant that can act across apps

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Khoj
Khoj

Open-source personal AI second brain

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AskYourPDF
AskYourPDF

Chat with PDFs and cite the source

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ASReview
ASReview

Open-source active-learning software for systematic-review screening

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