Zhihu is a Chinese social question and answer site and news aggregator. Originally based in Chengdu and with creators from Sichuan, the website launched on January 26, 2011. The number of registered users on Zhihu exceeded 10 million by the end of 2013,[3] and reached 17 million as of May 2015,[4] with 250 million monthly page views.[5]
History
Zhihu began development in August 2010. It went through a closed beta test at the end of December 2010.[4] The final product went online on January 26, 2011.[6][7] It has reportedly received funding from Kai-Fu Lee's Innovation Works, Qiming Ventures,[8] SAIF Partners, Tencent, and Sogou.[9]
In October 2011, Zhihu completed its A-round of funding for US$7 million from Innovation Works and Qiming Ventures.[6] In 2015, Zhihu completed its C-round of funding for US$55 million.[9]
In 2017, Zhihu officially commercialized. In August 2018, Zhihu completed its E-round of funding, raising US$270 million for a total company valuation at US$2.5 billion. On August 12, 2019, Zhihu completed a subsequent F-round of funding led by Chinese short video platform Kuaishou and technology company Baidu, garnering US$450 million. As a result, Baidu mobile app searches would directly return Zhihu content.[10]
On March 2, 2018, the Cyberspace Administration of China required all app stores to remove Zhihu for 7 days for the alleged presence of illegal content and insufficient monitoring. On the same day, Android app stores removed Zhihu. On the Apple App Store, Zhihu became unavailable for download.[11]
On October 9, 2020, a video creation tool was launched on Zhihu. The tool is able to suggest images and generate voice over for text. The tool reduces the technical barrier to video creation on the platform.[12]
In December 2021, ten of Zhihu's shareholders, including Sogou and Tencent's investment arm, sold all of their stakes (78% ownership) in Beijing Zhizhe Tianxia Technology, the parent company of Zhihu. All shares were transferred to the founder and CEO, Zhou Yuan, who owned more than 99% of the company thereafter. This occurred three days after regulatory pressures from the Beijing branch of the Cyberspace Administration of China (CAC), during which Zhihu was instructed to rectify practices that had led to unlawful release of information.[13][14][15] Zhihu's initial public offering on the New York Stock Exchange came on March 26, 2021.[16] Zhihu started trading on the Hong Kong Stock Exchange on April 11, 2022.[17]
In July 2023, Zhihu no longer supported anonymous posting, although anonymous content is also under the monitoring of Zhihu. Previously published posts were not affected.[18] On June 29, 2024, Zhihu launched Zhida, an AI search product.[19]
In October 2025, at the Frankfurt Book Fair in Germany, Zhihu unveiled the Yanyan Story Platform. Content on the platform includes books, digital reading, audio dramas, and cultural products. Some literary works on the platform are available in multiple languages, including English, Indonesian, Spanish, Korean, Japanese, Portuguese, and Thai. At the time, over 100 works had been licensed for domestic or international publication.[20]
Product
Zhihu functions similarly to Quora, where users may submit questions and answers, as well as upvote the best answer.[21] Zhihu also features expert panels and daily and weekly newsletters.[6]
Initially, user registration was primarily invitation-only, with referrals needed from a couple hundred registered users. Otherwise, new users had to apply to join by filling in a large amount of personal information and waiting for a reply.[22] Zhihu sought to host professional questions and answers, and then over time attract a more general community.[23]
Trending & live
Trending is a leaderboard where popular topics are ranked by engagement metrics, including likes, shares, and impressions.[24] Live is where users, including individuals and organizations, can host live streams. Live streams in Zhihu can be set to unpaid or paid. In a paid live stream, participants are required to pay a fee to watch.[25]
Zhida
Zhida is a large language model search and answer product. The meaning of its name is "direct answer" in Mandarin.[19][26] It can integrate answers in content archive on platform with external links. [26] It is intended to improve the user experience in asking, searching, generating results, and summarizing. Both service entry points and an independent domain are offered. Users can search by content or by contributor, and between brief or in-depth for the generation of answers.[19]
See also
- List of question-and-answer websites
External links
References
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- Document www.moomoo.com, retrieved December 2, 2025^
- Xudong Zhu. 知乎月活跃用户突破1000万 进入快速增长轨道 腾讯科技, July 13, 2013, retrieved January 27, 2023^
- 财视传媒. 知乎创始人周源:我也曾是正宗程序猿 Sohu, Sohu.com Inc., May 6, 2015, retrieved February 3, 2016^
- 知乎:用知识串联世界 新华网新闻, XINHUANET.com, May 14, 2015, retrieved January 27, 2023^
- Paul Bischoff. A look inside Zhihu, China's answer to Quora Tech In Asia, June 9, 2014, retrieved January 27, 2023^
- 乐天. https://tech.qq.com/a/20110328/000343.htm 腾讯科技, Tencent, March 28, 2011, retrieved January 27, 2023^
- IN KEY INDUSTRIES. Qiming Venture Partners, Qiming, retrieved January 27, 2023^
- 余一. 知乎确认已完成5500万美金融资 腾讯领投 腾讯科技, Tencent, November 5, 2015, retrieved January 27, 2023^
- David Lee. Zhihu Completes Largest Funding Round Ever of $450 Million Pandaily, August 12, 2019, retrieved August 19, 2019^
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- Jiaxing Li. Investors offload stakes in Zhihu after regulator issues directive to 'rectify' business KrASIA, December 23, 2021, retrieved March 18, 2026^
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- Yingzhi Yang. China summons Quora-like Zhihu for unlawful release of information CNA, December 20, 2021, retrieved March 18, 2026^
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- Zhihu Inc. Launches Global Offering Zhihu Inc. InvestorRoom, retrieved March 18, 2026^
- 知乎:匿名功能将下线 — 新京报 www.bjnews.com.cn, retrieved March 18, 2026^
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- Zhihu's Yanyan Story Makes International Debut at Frankfurt Book Fair, Showcasing China's Short-Form Literature to the World The Manila Times, October 17, 2025, retrieved February 20, 2026^
- Sue-lin Wong. In China, A New Space for New Questions Tea Leaf Nation, Tea Leaf Nation, LLC., January 16, 2014, retrieved January 27, 2023^
- Wei Hu. 提交 "加入知乎申请" 后多久才能获得邀请 Zhihu, May 27, 2011, retrieved May 28, 2011^
- 内容社区:始于内容,火于流量,困于商业化 36Kr, January 25, 2022, retrieved January 27, 2023^
- What is Zhihu? The Q&A Platform For Growth www.nativex.com, retrieved February 20, 2026^
- Ashley Galina Dudarenok. Zhihu: China's Q&A social platform that's ripe for brands Econsultancy, July 6, 2018, retrieved February 20, 2026^
- Quora-like platform Zhihu bets on AI to become China's X and LinkedIn South China Morning Post, April 4, 2025, retrieved March 18, 2026^