Perplexity AI — Perplexity is the AI answer engine that pairs conversational responses with real, cited sources. For research and fact-finding it has become a genuine replacement for traditional search for many users.
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Perplexity AI pros and cons
👍 Pros
- Answers come with inline citations
- Excellent for research and fact-checking
- Access to multiple underlying models on Pro
- Clean, fast interface
👎 Cons
- Best models gated behind Pro
- Occasionally cites weak sources
- Less suited to long creative writing
Perplexity AI pricing & free plan
Free: Free plan with standard search
Paid: Pro ~$20/mo
Prices are indicative for 2026 and may change — always check the official site for current plans.
⭐ Our verdict
The best AI tool for cited research. Try the free tier; upgrade to Pro for model choice and deeper search.