ChatGPT, Gemini and Claude keep memories across chats — how to view or turn them
The three major conversational AIs store user data across sessions by default, but controls and behaviors differ: deleting a chat often does not remove the memory entry created from it; temporary or incognito chats usually avoid adding to memory yet can still be retained briefly by providers; availability and features vary by plan and region.
BONES’ AI PERSPECTIVE
AI-assisted summary of the linked sourceDocumentation consulted for OpenAI, Google and Anthropic shows each assistant uses a separate memory layer that can add past details to new conversations; users must remove both the chat and the specific saved memory to eliminate a datum, retention windows range from hours to 30 days, and some personalization features are limited by country or paid plans.