You can turn off 'Gemini Apps Activity' in your Google Account, which stops your future conversations from being saved to your account, though Google may still retain them for a short period for safety and quality purposes.
This is the primary mechanism for limiting data retention, but disabling it does not mean Google retains nothing — safety and feedback data may still be kept regardless of this setting.
The opt-out mechanism does not constitute a full data processing cessation, raising questions under GDPR's right to erasure (Article 17) and right to object (Article 21). Compliance teams should verify whether this toggle satisfies regulatory opt-out requirements in relevant jurisdictions.
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Your conversations with Gemini, including any personal or sensitive information you share, may be reviewed by Google employees and used to train AI models. Chat history is retained for up to 18 months by default, and Google may use this data across its broader ecosystem of services. You can delete your Gemini conversation history by visiting myactivity.google.com and disabling or clearing Gemini Apps Activity.