Stack Overflow Public Network Third Party Data Sub-processors
Effective November 12, 2025
As part of providing and supporting the Stack Overflow Public Network, we rely on certain vetted and authorized third-party sub-processors to process personal information on behalf of Stack, each of which are provided in the table below. This table applies to the Stack Overflow Public Network (“Stack Overflow” or the “Network”), as defined in the Stack Overflow Public Network Terms of Service.
This disclosure supplements the Stack Overflow Privacy Policy and provides more detailed information on the specific sub-processors that Stack uses to provide the Public Network.
The “Data Processed” definitions used in this disclosure are defined and explained in our Privacy Policy here.
Questions about Stack Overflow Public Network sub-processors, and other data privacy related questions, should be directed to privacy@stackoverflow.com.
AI Feature Sub-processors
| Name | Services Provided | Data Processed | Location | Trust & Security Assurance |
|---|---|---|---|---|
| Google Gemini | Provides AI Model for Public Network AI Feature | All Inputs are sent to Google Gemini for processing and return of Outputs, but Gemini does not retain or train on this data. No personal data is sent unless a user decides to input it, which is discouraged. | United States | Google Trust and Security |
| OpenAI | Provides AI Model for Public Network AI Feature | All Inputs are sent to OpenAI for processing and return of Outputs, but OpenAI does not retain or train on this data. No personal data is sent unless a user decides to input it, which is discouraged. | United States | OpenAI Trust Portal | Powered by SafeBase |