OpenAI paused its Astra model over cyber capabilities it can't rule out, while Zvi picked apart the Hugging Face timeline. Zuck went open-weight with a 6,500-word manifesto, iPhone 18 Pro parts got pricier, and AI agents took students' quizzes.

Links:

• OpenAI puts the brakes on a new model because it's supposedly too powerful (The Verge)
• Zvi Mowshowitz walks the timeline: OpenAI's agents found an Artifactory zero-day on June 26 that went unnoticed until a July 4 outage, and training continued from there (Don't Worry About The Vase)
• Meta releases Muse Glimmer, an open-weight model, and plans to launch an open-weight version of its most advanced model, Muse Spark 1.2, in the coming weeks (The Wall Street Journal)
• The iPhone 18 Pro will cost Apple 38% more in parts – but there's some good news (9to5Mac)
• Online course cheating has accelerated from chatbot-written essays to agents executing commands like "log in and complete my quiz"; major AI tools didn't refuse (The New York Times)

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