Perplexity
by Perplexity AI
Perplexity is an AI search engine that combines LLM capabilities with real-time web search. Every answer includes inline citations, making it ideal for research, fact-checking, and staying current on any topic.
Best For
- Research with citations
- Real-time information lookup
- Academic and technical research
- Competitive analysis
- Fact-checking and verification
Limitations
- May surface outdated cached results
- Citation quality varies
- Deep analysis limited vs dedicated LLMs
- Pro features gated behind subscription
Key Features
Real-time web search integration
Inline source citations
Focus modes (Academic, Writing, Math)
Collections for organized research
File upload and analysis
API access
Pricing
Free tier with limited Pro searches. Pro plan at $20/month with unlimited Pro searches and file uploads.