问HN：你对Perplexity AI有什么看法？
Perplexity作为一种人工智能搜索工具，正在快速发展，它将对话式回答与引用来源和实时网络数据相结合。我很好奇HN社区对此的看法：
<p>你是否定期使用它？如果是的话，它与其他大型语言模型或搜索引擎相比，有什么独特之处？</p>
<p>你对它回答的质量、速度和可信度有什么看法？</p>
<p>你注意到有什么缺点、局限性或致命问题吗？</p>
<p>我很想听听大家的积极和批评意见，尤其是那些曾与ChatGPT、Claude或Kagi等工具一起使用过的人。</p>
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Perplexity has been growing fast as an AI search tool, blending conversational answers with cited sources and real-time web data. I’m curious how the HN community sees it:<p>Do you use it regularly, and if so, what makes it stand out from other LLMs or search engines?<p>How do you feel about the quality, speed, and trustworthiness of its answers?<p>Are there any drawbacks, limitations, or dealbreakers you’ve noticed?<p>Interested to hear both positive and critical perspectives—especially from people who’ve tried it alongside tools like ChatGPT, Claude, or Kagi.