Limitless Podcast We Interviewed The Team Behind OpenAI's #1 Feature
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Oct 6, 2025 Christina Kaplan and Samir Ahmed from OpenAI lead personalization efforts for ChatGPT, focusing on innovative features like Pulse. They dive into how ChatGPT has evolved from a basic assistant to one that prepares your day while you sleep. Discussion includes the transformative April memory update, short- versus long-term memory, and user behavior changes, as well as privacy concerns. They clarify that ChatGPT serves as an assistant rather than a digital clone, and explore exciting future capabilities that could seamlessly integrate various aspects of users' lives.
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Memory Changed ChatGPT's Role
- ChatGPT evolved from a stateless responder to an assistant that remembers across sessions via memory updates.
- The April update shifted memory from scattered notes to more natural, continuous recollection.
Memory Reaction Discovered Via Podcast
- Samir and Christina discovered user reactions by listening to a podcast that discussed the April memory update.
- They DM'd the hosts and even completed three-factor auth to verify their OpenAI accounts.
Small UI Change, Big Emotional Impact
- The April memory change was subtle visually but caused strong emotional reactions from users.
- Memory made ChatGPT feel more like a consistent conversational partner across sessions.