Unverified50% confidenceFactExact time
By default, Codex does not remember what it has done in the past and starts from scratch with each new conversation.
1
Sources
50%
Confidence
Medium-term (~90 days)
Relevance
10/8/2026
First Seen
Valid until: 1/6/2027
Sources
Related Entities
Related Claims
UnverifiedCodex's memory does not rely on the chat window to persist, because the context window fills up quickly and is repeatedly compressed, causing the agent to forget the initial conversation after a few rounds.77% similarUnverifiedWhen creating a new conversation in Codex, unchecking 'work in project' allows handling temporary, one-off questions without entering the project space.71% similarUnverifiedMainstream models do not have persistent memory across sessions by default; every new conversation starts with a complete memory reset69% similarUnverifiedEarly versions of ChatGPT started from scratch with every new conversation and were unable to remember the content of previous interactions, which creators jokingly called 'goldfish memory'.66% similar
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