What is Perplexity?
Perplexity approaches questions as research tasks, returning synthesized answers with source links rather than only a list of search results. Its paid tiers add broader research and model access, alongside file analysis and document or app creation.

Key features
- Search-led answers with source links
- Follow-up research questions
- Pro Search
- File uploads and analysis
- Advanced model selection on paid plans
- Document and app creation on paid plans
Best for
- Getting oriented on an unfamiliar topic
- Finding sources for a briefing
- Comparing published information
- Asking questions about uploaded files
Who it suits
- Researchers building an initial reading list
- Journalists locating source material
- Analysts preparing background briefs
Who may not need it
- Users needing exhaustive systematic literature reviews
- Anyone treating a summary as a substitute for primary evidence
Free plan
Standard offers practically unlimited basic searches, search history, very limited Pro Searches and limited basic file uploads. Perplexity chooses the model; advanced models, image generation and premium support are excluded. Checked Oct 26, 2026
Where it fits in a workflow
Use it to identify leads and assemble a preliminary source list. Open the cited material yourself before using a claim in a decision or publication.
Sources
Strengths
- Source links provide a route back to underlying evidence
- Basic searches are available without a paid subscription
Watch-outs
- A cited page does not guarantee the summary is accurate
- Free users cannot choose advanced models
- Paid research and creation features still have limits
Alternatives
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