Expired85% confidenceFactTime unknown
Codex now supports automatic session compression, which uses a summarization algorithm to distill conversation history into key information, freeing up window space without losing core context.
1
Sources
85%
Confidence
Medium-term (~90 days)
Relevance
5/31/2026
First Seen
Valid until: 8/29/2026(expired)
Sources
Related Entities
Related Claims
UnverifiedCodex has a built-in automatic compression feature for historical context that controls token consumption through summarization and importance filtering, allowing continuous conversation within the same session window for weeks.85% similarUnverifiedCodex has a built-in automatic compression mechanism that automatically organizes long conversations into concise summaries to free up space when the context is nearly full.83% similarUnverifiedThe new version of Codex has optimized the memory feature, compressing sessions more thoroughly rather than simply reusing threads to carry over existing conversations80% similarUnverifiedCodex uses a 'sliding window + summary compression' strategy to condense earlier conversation content into brief summaries, controlling actual token count per turn.77% similarUnverifiedCodex supports a fork feature that allows branching off a new conversation path from any conversation node75% similar
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