Model Update2026-06-05OpenAI Blog

ChatGPT Introduces 'Dreaming' for Better Memory

OpenAI has introduced a new memory system called 'Dreaming' for ChatGPT, designed to significantly improve the AI's ability to remember user preferences and maintain context across conversations. This update addresses one of the most persistent limitations in conversational AI: the lack of long-term coherence. With the Dreaming feature, ChatGPT can now recall past interactions without requiring users to explicitly remind it of previous discussions. For example, if a user previously mentioned a preference for concise answers or a specific topic of interest, the AI will remember and adapt its responses accordingly in future sessions. This creates a more personalized and seamless experience over time. The system works by allowing ChatGPT to 'dream' about past conversations—essentially, it periodically processes and consolidates key information from previous interactions into a compressed memory representation. This enables the model to retrieve relevant details when needed, without storing every word of every conversation. For users, the benefits are substantial. Long-term projects, ongoing research, or repeated tasks become much more efficient as the AI builds a deeper understanding of individual needs. The assistant becomes more helpful and relevant, reducing the need for repetitive explanations. OpenAI has emphasized that privacy remains a priority. Users have control over what the AI remembers and can delete memories at any time. The Dreaming feature is rolling out gradually, and early feedback suggests it significantly enhances the naturalness and utility of conversations, making ChatGPT feel more like a true personal assistant that learns and adapts over time.

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