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Perplexity
Perplexity AI · 2022
FreemiumCloudMulti-platform
AI search engine that synthesizes real-time web results with citations. Best for research, fact-checking, and staying current on fast-moving topics.
When to choose perplexity
Choose Perplexity when your work depends on accurate, current information. Unlike static training-data agents, Perplexity searches the live web and cites every claim. This makes it the safest choice for research, journalism, due diligence, and any domain where facts change faster than model retraining cycles.
What it does well
- Cited answers. Every response links to its sources. You can verify claims without trusting the model's memory. This is non-negotiable for professional research.
- Deep Research mode. Upload documents or specify a topic, and Perplexity builds a comprehensive report with sources, summaries, and structured findings. Competitive with dedicated research tools.
- Real-time awareness. Stock prices, sports scores, news events, and product launches appear in answers because Perplexity queries the web in real time.
- Collections. Save and organize research threads into shareable knowledge bases. Useful for ongoing projects, competitive analysis, and team research.
- Clean reading experience. The interface strips away search-result clutter and presents a single synthesized answer, not a list of links.
Honest limitations
- Not a coding agent. Perplexity can explain code and suggest approaches, but it does not edit files, run terminals, or integrate with IDEs. For coding, use Cursor, Claude Code, or Aider.
- Cloud-only. Your queries go to Perplexity's servers. Not suitable for sensitive internal data, proprietary code, or air-gapped environments.
- Citation depth varies. Simple queries get solid sources. Complex technical questions may surface blog posts and forums rather than authoritative documentation.
- Pro Search costs add up. The free tier is generous but throttled. Heavy research workflows need the Pro subscription.
Best fit
Researchers, analysts, journalists, students, and anyone whose primary need is accurate, current information rather than code generation or file manipulation.
Pricing
- Free: Basic search, limited Pro Search queries, standard model access.
- Pro ($20/mo): Unlimited Pro Search, higher rate limits, GPT-4o and Claude 3.5 access, API credits.
- Enterprise: Custom pricing for teams with admin controls, SSO, and usage analytics.
Spec sheet
Pricing
Freemium
Runtime
Cloud
Released
2022
License
Proprietary
Key features
- Real-time web search with citations
- Deep Research mode (comprehensive reports)
- Pro Search with multi-step reasoning
- Code interpreter and data analysis
- Collections and knowledge spaces
- API for developers
Works with
Platforms
WebiOSAndroidmacOSChrome Extension
Default model
Perplexity Sonar / GPT-4o / Claude 3.5
Categories
researchsearchwebcitations
Commonly compared with
Verified 45 days agoLast verified: Mon Jun 15 2026 00:00:00 GMT+0000 (Coordinated Universal Time)