Old vs New ChatGPT Memory: Improved Version Causes Severe Context Loss
udpcachefix · reddit · 2026-07-31
A Reddit user compared ChatGPT's 'Legacy Memory' and 'Improved Memory' across five dimensions, finding severe information loss in the new system regarding personal background, long-term interests, relationships, timelines, and custom instructions.
Legacy Memory acted like a persistent context file, accurately recalling historical settings. In contrast, Improved Memory behaved like selective retrieval, heavily biasing recent topics and omitting crucial older context. The author speculates the new system relies too heavily on automated summarization and relevance ranking, sacrificing long-term factual continuity.
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