Research — AI That Shows Its Homework

The internet has approximately 130 trillion pages. Finding the right one used to require either Google-fu or a research librarian. These tools promise something better: answers with receipts. One was built by a startup obsessed with citations; the other by the company that <em>is</em> search. Both change how you find information — but in surprisingly different ways.

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Perplexity Deep Research

Research

When you don't just want an answer — you want the trail of breadcrumbs that proves it. The research assistant that actually shows its homework.

State-of-the-art on deep-research benchmarks. Every answer comes with inline citations and source links. Pro mode cross-references answers using multiple models including Claude and GPT.

The best Deep Research stack is gated to higher tiers, so heavy research sessions quickly become a subscription decision.


Research Citations Real-time Freemium Web Mobile