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 Kaggle alternatives
Other checked tools in the same category as Kaggle — each with a genuine free tier, verified against the provider's own pages, and described with its honest limits.
Best for: weighing Kaggle against free rivals before committing time or money to one.
FreemiumListed
Google NotebookLM
Google's AI research and note-taking tool that answers from the sources you upload — documents, PDFs, slides, links — and cites them. Free at notebooklm.google with a Google account, it can even turn your sources into a spoken audio overview.
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.
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