🔎 Research & search
Editorial ranking (our picks, not user ratings). #1 is our Best pick; the rest are strong alternatives.
Quick answer: Our best pick for research & search is Perplexity (freemium): answers with cited sources. Top alternatives: Gemini Notebook (formerly NotebookLM) (#2, freemium), ChatGPT Deep Research (#3, freemium), Elicit (#4, freemium). Free to start: Perplexity, Gemini Notebook (formerly NotebookLM), ChatGPT Deep Research, Elicit, Consensus.
FAQ
What is the best AI tool for research & search?
Our best pick is Perplexity (freemium). Use it for: answers with cited sources.
Which AI tools for research & search are free to start?
Perplexity, Gemini Notebook (formerly NotebookLM), ChatGPT Deep Research, Elicit, Consensus have a free or freemium tier. Plans change often, so check each official site.
What are the best alternatives to Perplexity?
#2 Gemini Notebook (formerly NotebookLM) (freemium): chatting with your own documents, audio overviews (Google renamed NotebookLM to Gemini Notebook); #3 ChatGPT Deep Research (freemium): multi-page researched reports; #4 Elicit (freemium): searching and summarizing academic papers; #5 Consensus (freemium): evidence-based answers from research.
How is this ranking decided?
It is an editorial ranking by BuffNerf AI, based on how useful each tool is for this job. It is not built from user ratings, and payments, sponsorships or affiliate commissions never change a tool's rank.