OpenAI's ChatGPT — the world's most widely used AI assistant and the GPT family's official entry point.
Perplexity by Perplexity AI
Vendor: Perplexity AI · Global Models · Updated 2026-08-30
Perplexity is the leading AI answer engine: ask a question, get a structured answer with numbered citation sources — ideal for research and verification. Free tier available; Pro unlocks stronger models and higher limits.
Key features
- Cited, structured answers
- Focus modes (academic, news…)
- Deep Research reports
- Spaces knowledge collections
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FAQ about Perplexity
What is Perplexity's official website?
The official site is https://www.perplexity.ai/ (verified 2026-08-30). Bookmark this page for quick access.
Is Perplexity free?
Free tier; Pro for advanced search. Basics are free; advanced use needs a subscription or usage-based payment — see the official page.
Who makes Perplexity?
Perplexity is built by Perplexity AI.