“1. ChatGPT — Temporary Chat”
“Doesn't appear in chat history.”
“Not used to train OpenAI models while temporary.”
“Doesn't create memories.”
“A copy may be retained for up to 30 days for safety.”
“2. Claude — Incognito Chat”
“Doesn't appear in chat history.”
“Not used for model training.”
“Doesn't use or update Claude's memory.”
“Retained for 30 days by default, or longer under certain Enterprise retention policies.”
“Unlike ChatGPT, you cannot convert an incognito conversation into a regular saved chat.”
“3. Google Gemini — Temporary Chat”
“Temporary chats aren't used to train Google's AI models.”
“Temporary chats aren't kept in normal conversation history.”
“Google retains temporary chats for 72 hours for service and safety purposes.”
“Be careful with feedback: submitting feedback can allow Google to collect the conversation context for service improvement.”
“4. Microsoft Copilot — Privacy and training controls”
“You can opt out of model training.”
“You can delete conversations.”
“Conversation history is saved by default.”
“Default retention is 18 months.”
“This is not equivalent to a temporary conversation that never appears in history.”
“OpenAI API | No | Endpoint-specific retention and eligible zero-data-retention arrangements”
“OpenAI API | No | Endpoint-specific retention and eligible zero-data-retention arrangements”