AI search answers a question with a written summary and shows where each part came from, instead of a list of ten links. You still check the sources. It just saves you the first hour.
Research notebooks go one step further. You give them your own documents and they only answer from those, with page references.
Our picks
checked sep 2026. we say what each one is bad at on purpose.
Start herehas a free plan
Perplexity
good at
Answers a question with a summary and a numbered source for every sentence, so you can check it.
bad at
Still summarises a source wrongly now and then. Read the source before you repeat the claim.
Open Perplexity, paste this in, and change the parts in brackets. That is the whole first step.
Ask a question you would normally search for
copy it, paste it into the tool, change the parts in [brackets]
What are the main differences between [two things you are choosing between]? Give me a short table, say which is better for [your situation], and show the source for every claim.