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A fascinating observation from a Reddit user suggests OpenAI may be testing a new feature in ChatGPT dubbed ‘Ghost Threading.’ This unannounced capability seemingly allows the AI to recall details and context from previous, separate chat sessions, even those not explicitly saved in its long-term memory. The user reported instances where ChatGPT remembered details from a conversation about racing their daughter in a completely new chat window, and also recalled a specific ramen broth modification from another session. This behavior hints at a possible mechanism where salient or emotionally charged information bleeds across session boundaries. The user speculates this could enable a more coherent and persistent AI identity by allowing ChatGPT to build upon past interactions in unexpected ways. The original discussion can be found on Reddit: https://old.reddit.com/r/artificial/comments/1nmiv5h/new_openai_feature_specific_memory_recall_across/