Perplexity
Best AI search engine — replaces Google for research
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What is Perplexity?
Perplexity is an AI-powered answer engine. Instead of a list of blue links, you ask a question and get a concise, written answer with numbered citations to the sources it used. That citation-first design makes it the most trustworthy way to use AI for research, because you can click through and verify every claim.
It combines live web access with a choice of underlying models (including GPT and Claude on the Pro plan), plus 'Spaces' for organizing ongoing research and a Focus mode to restrict searches to academic papers, Reddit, or the web. For day-to-day 'what's the current answer to X?' questions it's faster and more reliable than a raw chatbot.
✓ Benefits
- Always cites its sourcesEvery answer links to the pages it drew from, so you can verify instantly. This single feature makes it far more trustworthy than a plain chatbot for research.
- Real-time, up-to-date answersIt searches the live web on every query — even on the free tier — so it knows about recent events that static model knowledge misses.
- Model choice on ProPro users can route queries through GPT, Claude, or Perplexity's own models, getting the best engine for the job without separate subscriptions.
- Focus and SpacesRestrict a search to academic sources or Reddit, and group related research into Spaces you can return to and share.
- Fast and low-frictionClean interface, quick answers, and a great mobile app make it a genuine Google replacement for many questions.
✕ Disadvantages
- Answers can be shallowIt optimizes for a quick summarized answer; for deep, creative, or multi-step generation tasks a dedicated chatbot like ChatGPT or Claude goes further.
- Pricey for 'just search'$20/mo is the same as a full ChatGPT or Claude subscription, which some users find hard to justify for a search-focused tool.
- Only as good as its sourcesIf the top web results are wrong or SEO spam, the cited answer can confidently repeat them — citations help but don't guarantee accuracy.
- Not built for long-form creationIt won't replace a writing assistant or coding tool; it's a research layer, not a generalist workspace.
Key features
- ▹Cited, sourced answers on every query
- ▹Live web search (free and Pro)
- ▹Model choice: GPT / Claude / Sonar (Pro)
- ▹Focus modes (academic, web, social)
- ▹Spaces for organized research
- ▹File upload and analysis (Pro)
- ▹Strong iOS / Android apps
Best for
- ★Researching a topic and checking sources fast
- ★Fact-checking claims with citations
- ★Staying current on fast-moving news or markets
- ★Literature scans using academic Focus mode
- ★Replacing Google for 'what's the answer to X' questions
Perplexity Pricing
- ✓Unlimited quick search
- ✓Limited Pro searches/day
- ✓Live web access
- ✓300+ Pro searches/day
- ✓GPT-4o + Claude access
- ✓File uploads
- ✓Image generation
- ✓API credits
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