Baidu Baike

Baidu Baike (/ˈbaɪduː ˈbaɪkə/; Chinese: 百度百科; pinyin: Bǎidù Bǎikē; lit. 'Baidu Encyclopedia', also known as Baidu Wiki) is a semi-regulated Chinese-language collaborative online encyclopedia owned by the Chinese technology company Baidu. The beta version was launched on April 20, 2006, and the official version was launched on April 21, 2008, edited by registered users. As of February 2022, it has 25.54 million entries and more than 7.5 million editors. It has the largest number of entries in the world of any Chinese-language online encyclopedia.

Baidu officially stated that the Baidu Encyclopedia, while establishing an online encyclopedia, also serves as the information storage space provided by Baidu for netizens. Baidu Baike advocates "equality, collaboration, sharing, and freedom" in spirit, and technically combines this network platform with search engines to meet users' information needs at different levels. When searching using Baidu search engine, if Baidu Baike has included the entry corresponding to the search term, its link will usually be ranked at the top of the search page.

Baidu Baike has been criticised for its censorship, copyright violations, commercialist practices and abundance of unsourced information.

In March 2021, Baidu Baike restricted viewing of article history to two categories of users. The first category is users who have a "wiki level" greater than 4, have an edit pass rate of over 85%, and who are in the "wiki master group". The second is users who have a "wiki level" greater than 6 and have an edit pass rate of over 85%. Baidu Baike stated that this limit was to "protect the accuracy of articles, and avoid distraction on the false information on past versions."