Perplexity
免费增值带引用来源的 AI 搜索引擎
Perplexity 是 AI 搜索引擎，提供带引用来源的直接答案。结合大语言模型能力和实时网络搜索。
searchresearchcitations
访问 Perplexity →❓ 常见问题
Is Perplexity AI free?▼
Perplexity offers a capable free tier with limited Pro searches. Pro is $20/month for unlimited AI searches with advanced models (GPT-4o, Claude 3, Sonar).
How is Perplexity different from Google Search?▼
Perplexity provides direct answers with cited sources instead of blue links. It synthesizes information from multiple sources into coherent responses with footnotes.
Is Perplexity accurate?▼
Perplexity is generally reliable for factual queries due to its citation system. However, always verify critical information from primary sources as AI can still make errors.
Can Perplexity search the web in real-time?▼
Yes, Perplexity searches the web in real-time for every query, providing up-to-date information with source citations and related follow-up questions.