Unverified50% confidenceFactExact time
During long sessions, Codex compresses the historical conversation to control context length.
1
Sources
50%
Confidence
Long-term
Relevance
10/16/2026
First Seen
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.78% similarUnverifiedCodex has warned that hard-switching models mid-session may degrade the quality of subsequent conversations.74% similarUnverifiedLarge language models have a context window length limit, and when conversation history or tool call records become too long, the Agent needs to summarize and compress the history to free up space.71% similarUnverifiedBy default, Codex does not remember what it has done in the past and starts from scratch with each new conversation.70% similarUnverified聊天功能被塞进Codex工作台变成悬浮窗，且聊天列表滑到底部后内容会被输入框遮挡69% similar
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