Your conversations with Gemini apps and your feedback are used to provide, improve, and develop Google products, services, and machine-learning technologies, including Google's enterprise products. Turning off Gemini Apps Activity doesn't prevent your conversations from being used to improve Google's AI models.
Even if you opt out of saving your conversation history, Google still uses your chat data to train its AI — meaning there is no complete opt-out from AI training data use available through standard account settings.
Using Google Gemini means your conversations — including any personal details you share — are stored for up to 3 years and may be read by Google employees for safety and quality purposes. Your chat history being deleted from your account does not necessarily stop Google from retaining associated data for AI training, which is a significant privacy implication many users would not anticipate. You can limit data retention by visiting myactivity.google.com, navigating to Gemini Apps Activity, and changing or disabling the auto-delete settings.