FreeListed
LMArena
LMArena
Chat with frontier AI models side by side and vote on the better answer — free, no account needed, from the project behind the influential LMSYS leaderboards.
Research & Reference
Free Google NotebookLM alternatives
Other checked tools in the same category as Google NotebookLM — each with a genuine free tier, verified against the provider's own pages, and described with its honest limits.
Best for: weighing Google NotebookLM against free rivals before committing time or money to one.
FreeListed
Kaggle
A free platform for data science and machine learning — public datasets, browser notebooks with free GPUs/TPUs, competitions, a model hub, and hands-on courses, at kaggle.com.
FreemiumListed
Perplexity
Perplexity AI
An answer engine that responds to questions in plain language and cites its sources — free to use at perplexity.ai, with a paid Pro plan for more powerful models and higher limits on its deeper research modes.
Back to the Google NotebookLM listing or every checked tool in Research & Reference.