
Meta Releases Muse Spark, Its First Proprietary AI Model to Challenge ChatGPT and Gemini
Meta launches Muse Spark, a closed proprietary AI model with tiered reasoning and 3B+ user reach across WhatsApp, Instagram, and Quest VR.
Key takeaways App analysis reveals hidden code strings suggesting a daily summary feature for ChatGPT users. Feature may tie into existing memory capabilities with personalized morning updates and fee...
OpenAI appears to be developing a new "Daily Pulse" feature for ChatGPT that would deliver personalized daily summaries to users, according to analysis of recent iOS app updates and hidden code strings discovered by app researchers.
Recent examination of the ChatGPT iOS app has uncovered multiple references to what appears to be a daily summary system. The app contains messages about receiving a "fresh new update every morning," being able to "create for tomorrow," and "enable notifications to catch it each day."
The discovered code strings suggest users would be able to provide targeted feedback and influence future daily content. The hidden messages indicate the app would "surface what's helpful to you once a day" and "create it for you tomorrow" if users specify a focus area.
This development aligns with previous discoveries of a so-called "Golden Hour" feature in ChatGPT's web interface. The feature is thought to be tied to memory features or recently spotted alpha agent models, suggesting OpenAI is working on more comprehensive personalization across its platform.
The timing coincides with OpenAI's expanded memory features for ChatGPT users. Memory improvements are starting to roll out to Free users, with ChatGPT now referencing recent conversations to deliver responses that feel more relevant and tailored to users.
The Daily Pulse discovery comes alongside significant updates to ChatGPT's iOS application. The latest update introduces changes to the Voice Mode UI, which some users have started to see, likely as part of a staged rollout or A/B test.
The new layout brings prompt suggestions and subtle adjustments to the voice interaction screen, while the update itself now supports Apple's Liquid Glass UI on iOS 26, giving the app a modern, native look.
The Daily Pulse feature represents part of OpenAI's broader push toward adaptive, personalized AI experiences.
OpenAI's move would fit with their strategy of making ChatGPT more adaptive, persistent, and user-focused, especially now that partner apps like Notion are surfacing similar feedback-driven agents.
OpenAI has been expanding ChatGPT's capabilities significantly in 2025, including the launch of GPT-5 for all user tiers and new agent functionality.
ChatGPT deep research with Dropbox is available globally to Team users and is gradually rolling out to Plus and Pro users, except for those in the EEA, Switzerland, and the UK.
While the code analysis suggests active development, OpenAI has not officially announced the Daily Pulse feature or provided implementation timelines. As always, some features may remain experimental or limited to select users for now.

Meta launches Muse Spark, a closed proprietary AI model with tiered reasoning and 3B+ user reach across WhatsApp, Instagram, and Quest VR.

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