Unverified50% confidenceFactExact time
Perplexity不仅检索预建索引，还能实时爬取网页内容
1
Sources
50%
Confidence
Medium-term (~90 days)
Relevance
8/6/2026
First Seen
Valid until: 11/4/2026
Sources
Related Claims
UnverifiedPerplexity采用在线RAG，不依赖预建索引库，在每次查询时实时触发网络爬取，代价是查询延迟相对更高78% similarUnverified由于Perplexity需要实时检索和生成答案，其延迟通常高于简单返回链接列表的传统搜索API76% similarUnverified一位Reddit用户发帖指控Perplexity悄然将默认搜索模式切换为消耗更多额度的高级模式71% similarUnverified对于动态变化信息（如股价）应调用 Web Search，对于恒定不变的常识（如勾股定理）应直接回答无需搜索67% similarUnverified无头浏览器方案的稳定性高度依赖目标网站的页面结构，搜索引擎调整前端布局可能导致解析逻辑需同步更新65% similar
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