NotebookLM

Looking for a tool like NotebookLM (Google's AI research assistant grounded in your own documents)? Below are 20 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 OpenAI's chatbot — the one hundreds of millions use weekly

Aug 17

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

Aug 17

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

Aug 17

Grok xAI assistant with native image and synchronized audio-video generation

Aug 17

Notion AI AI writing and Q&A built directly into Notion

Aug 17

Notion Flexible workspace for docs, wikis, and databases

Aug 17

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

Aug 17

Rossum AI document data capture for invoices and finance workflows

Aug 17

Reducto AI document parsing API for complex and scanned PDFs

Aug 17

PDF.ai Chat with a PDF, or several at once

Aug 17