Research
Perplexity
An AI search engine that cites its sources.
Highlights
- Every answer comes with numbered citations to the pages the model actually read.
- Follow-up questions preserve context — good for open-ended research sessions.
- File upload on the Pro tier: drop in a PDF or spreadsheet and ask questions about it.
- Focus modes: Web, Academic, Reddit, YouTube — filters the source set the model draws from.
Pricing
Free tier · Pro $20/mo · Enterprise available
Pricing is what we knew as of Aug 14, 2026. Always check the vendor page for current numbers.