Zhihu Direct Answer is Zhihu's official free AI-powered search and Q&A tool that deeply integrates Zhihu community content and can quickly generate accurate and traceable answers.
Currently Zhihu Direct Answer is a completely free service; users do not need to pay to use its core AI Q&A and search features.
Reliable. Its answers are based on high-quality, validated content from Zhihu's community and integrate multi-source information, including academic databases, and provide source traceability.
Yes. Users can upload PDFs, documents, and other files; Zhihu Direct Answer can parse the content and answer related questions.
You can access it via the web domain zhida.zhihu.com or the Zhihu App bottom toolbar; after logging in, simply enter your question in the search box.
Zhihu Direct Answer can understand complex questions, automatically search, summarize, and generate structured answers, rather than just providing a list of links, and the answers can be traced back to Zhihu's high-quality content.
Perplexity AI is an AI answer engine that blends generative models with real-time web search. Ask in plain English and get structured, citation-backed answers—perfect for quick facts or deep research.
Zhihu Direct Answer AI is a free, NLP-powered AI Q&A tool that helps you quickly get accurate answers, boosting information access and problem-solving efficiency.
