v3.26.1
Document and Entity Information
 12 Months Ended
Dec. 31, 2025
shares
Document Type 20-F
Document Registration Statement false
Document Annual Report true
Document Period End Date Dec. 31, 2025
Current Fiscal Year End Date --12-31
Document Fiscal Year Focus 2025
Document Transition Report false
Document Shell Company Report false
Securities Act File Number 001-40253
Entity Registrant Name Zhihu Inc.
Entity Incorporation, State or Country Code E9
Entity Address, Address Line One 18 Xueqing Road
Entity Address, Address Line Two Haidian District
Entity Address, City or Town Beijing
Entity Address, Postal Zip Code 100083
Entity Address, Country CN
Entity Well-known Seasoned Issuer No
Entity Voluntary Filers No
Entity Current Reporting Status Yes
Entity Interactive Data Current Yes
Entity Filer Category Accelerated Filer
Entity Emerging Growth Company false
ICFR Auditor Attestation Flag true
Document Financial Statement Error Correction [Flag] false
Document Accounting Standard U.S. GAAP
Entity Shell Company false
Auditor Firm ID 1424
Auditor Name PricewaterhouseCoopers Zhong Tian LLP
Auditor Location Beijing, the People’s Republic of China
Entity Central Index Key 0001835724
Document Fiscal Period Focus FY
Amendment Flag false
American depository shares  
Title of 12(b) Security American depositary shares (each representing three Class A ordinary shares, par value US$0.000125 per share)
Trading Symbol ZH
Security Exchange Name NYSE
Entity Common Stock, Shares Outstanding 5,408,373
Class A Ordinary shares  
Title of 12(b) Security Class A ordinary shares, par value US$0.000125 per share
Trading Symbol 2390
Entity Common Stock, Shares Outstanding 249,007,733
Class B Ordinary shares  
Entity Common Stock, Shares Outstanding 15,446,778
Business Contact  
Contact Personnel Name Han Wang
Country Region 86
City Area Code 10
Local Phone Number 8271-6603
Contact Personnel Email Address h@zhihu.com
Entity Address, Address Line One 18 Xueqing Road
Entity Address, Address Line Two Haidian District
Entity Address, City or Town Beijing
Entity Address, Postal Zip Code 100083
Entity Address, Country CN