Backfrom Baidu’s own policies · verified 2026-09-02 · some facts not published
Baidu: data residency & retention
Headquarters
🇨🇳 China (China)
Where inference runs
Not disclosed
International service is contracted through Baidu Holdings Limited (Hong Kong; HK governing law/courts), distinct from mainland Qianfan. No specific inference region is published. Privacy policy admits 'part of your personal information stored on servers in China', and the intl ToS reserves the right to 'transfer and store AI Content in data centers outside the region where you use the AI Service' (Sec. 3A.3.3).
Region pinning
Not disclosed
No region-pinning controls disclosed for the intl AI/inference service; ToS lets Baidu migrate or terminate data centers on notice (Sec. 3.4).
Prompt retention
Retained
ToS Sec. 3A.3.1: Baidu 'may use and store AI content processed through AI services'. Privacy policy says retention 'is not fixed' and depends on purpose/legal requirements; deletion of stored AI Content requires customer notification (Sec. 3A.4.3). No window published.
Trains on API data
Yes, by default
Intl ToS Sec. 3A.3.1-3A.3.2: AI Content may be used 'to develop, enhance, and improve AI services and their underlying technologies', and non-personal AI Content 'to enhance the machine learning and AI technologies'. No opt-out described in the public terms.
Zero data retention
Not disclosed
No zero-data-retention option mentioned in intl privacy policy or ToS.
Compiled from Baidu’s published privacy policy, terms, and documentation on 2026-09-02. “Not disclosed” means Baidu publishes nothing on the point. Policies change without notice, so verify against the sources above before relying on this for compliance decisions.