Unverified50% confidenceFactExact time
When Keep Activity is on, conversations can be saved and used for model improvement; after it is turned off, new conversations no longer enter the training pipeline.
1
Sources
50%
Confidence
Medium-term (~90 days)
Relevance
11/4/2026
First Seen
Valid until: 2/2/2027
Sources
Related Entities
Related Claims
VerifiedThe "Continue in a New Conversation" feature allows users to select the function entry on the corresponding message, automatically bringing existing context into a new conversation, while the original conversation is fully preserved.76% similarUnverifiedChanging the model or effort level mid-conversation completely invalidates the prompt cache, causing the next message to re-read all content.75% similarUnverifiedFree ChatGPT users' conversation content is used for model training by default, unless manually disabled in the settings.73% similarUnverifiedSetting the background (system-level context) once at the start of the conversation and having all subsequent interactions based on that context, rather than re-entering it each time, can save tokens.73% similarUnverifiedThe compact command makes an additional call to the model to merge and compress conversation messages, retaining only content relevant to the current session in order to free up context.72% similar
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