Perplexity has introduced new personalization features for its AI assistant, Comet, allowing it to remember user preferences, interests, and past conversations. This memory capability enhances the assistant's ability to provide tailored and relevant responses. Users benefit from smarter, faster answers without needing to manually summarize details or re-establish context, a common frustration with traditional AI models. The system stores structured preferences such as favorite brands or dietary requirements securely. As users interact more, Perplexity builds a dynamic understanding of their unique needs. Unlike other AI chatbots, which treat user history as mere training data, Perplexity actively retrieves and utilizes this stored context to generate precise and personalized responses. For example, it can advise on running shoes based on injury status or suggest books for upcoming travel. Users maintain control over what the assistant remembers. They can turn off memory features at any time, and data is encrypted. In incognito mode, memory and search history are disabled entirely, ensuring privacy. The memory system also allows users to switch between different AI models without losing their personalized context, making it easier to adapt to various tasks while retaining valuable information that enhances productivity.