反正现在来看的话，perplexity ai已经完蛋了。 perplexity何德何能跟坐拥Google search+gemini模型的Google、坐拥X和Grok模型的X AI比啊。论搜索，perplexity的工程师对搜索的理解不可能 … I came across term perplexity which refers to the log-averaged inverse probability on unseen data. Wikipedia article on perplexity does not give an intuitive meaning for the same. This perplexity Perplexity is a popular AI search engine known for its intelligent and ad-free search results, making it a valuable tool for researchers. Perplexity R1的基座模型是DeepSeek-R1，Perplexity官方宣称“经过后训练后，可以提供无审查、无偏见和事实性的信息。 ” 关于Perplexity Perplexity 是一家成立于2022年的AI初创公司，总部位 …
