If you use voice features in Gemini, your audio inputs may be collected and processed by Google, in addition to the text transcriptions of what you said.
Audio recordings contain biometric and paralinguistic information beyond the words spoken, including voice characteristics that could be used for identification — making this a particularly sensitive data category.
Audio data collection implicates biometric data protections under GDPR Article 9, Illinois BIPA (Biometric Information Privacy Act), and CCPA's sensitive personal information category for biometric data. Organisations in Illinois and other states with biometric privacy laws face heightened compliance obligations.
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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.