1. Apple Says OpenAI's Own Leadership Ran the Theft, Not a Rogue Engineer Apple sued OpenAI on Thursday, and the complaint aims higher than a single departing engineer.

2. A Solar Company Will Pay You to Keep an AI Data Center in Your House Sunrun, a solar and home battery installer, is starting a pilot that inverts how data centers get built.

3. A Brown professor moved the final into a proctored room. Grades dropped by half. When a professor at Brown University suspected students were leaning on AI to finish his coursework, he changed one variable. He swapped the take-home final for an in-person, closed-book exam.

In Brief

• SK Hynix raises $26.5B in largest foreign US IPO SK Hynix priced the biggest foreign listing in US history, cashing in on demand for AI memory chips. US officials are now pressing SK Hynix and Samsung to build domestic fabs rather than ship chips from Korea.

• Fidji Simo exits OpenAI's No. 2 role after medical leave Fidji Simo left her full-time position as OpenAI's second-ranking executive after a medical leave ran longer than planned. The departure opens a leadership gap as OpenAI weighs a possible IPO and chases Anthropic in enterprise sales.

• New lawsuits accuse xAI of shielding Grok CSAM creators More young girls sued X, alleging one user generated 7,000 sexual images of his stepdaughter with Grok before killing himself. The suit claims xAI reported only a single prompt to authorities despite repeated abuse.

• EU orders Meta to disable autoplay and infinite scroll or face fines The EU told Meta to turn off autoplay and infinite scroll under the Digital Services Act or risk major penalties. Regulators frame the features as addictive design that harms users, forcing changes across Meta's platforms.

• Musk pledges not to cut off Anthropic's model hosting Elon Musk said xAI will not restrict Anthropic's use of its infrastructure, praising the Mythos/Fable models. Anthropic weighs whether to trust a direct competitor with hosting, with roughly $40 billion in revenue at stake.

• Anthropic builds Jacobian lens to inspect Claude's reasoning Anthropic researchers created a tool called the Jacobian lens to observe how Claude processes concepts internally. They identified a hidden space where the model appears to work through ideas, with findings ranging from mundane to unsettling.

• Surgeon-controlled humanoid robots operate on live pigs A preclinical trial had surgeons remotely control humanoid robots to perform operations on living pigs, a first for the format. The test measures whether general-purpose humanoid hardware can handle surgical tasks.

• Hugging Face CEO says enterprises are dropping rented AI Clem Delangue said companies increasingly host open models themselves instead of renting closed APIs. Hugging Face now serves roughly half the Fortune 500 as a distribution hub for open models and datasets.

• Claude's Reflect dashboard tracks user AI dependence Anthropic launched Reflect, a dashboard that visualizes how much a person relies on Claude across daily work. The feature charts usage patterns while reinforcing how embedded the chatbot has become in users' routines.

• OpenAI publishes rules for government and security work OpenAI outlined principles governing its government and national security partnerships, citing democratic accountability and public safety. The document sets conditions for how its models may be deployed in defense and intelligence settings.

• Vidu S1 generates interactive video in real time on consumer GPUs Vidu S1 produces 540p video at up to 42 FPS on standard consumer GPUs, letting users steer content with voice commands mid-generation. It supports unbounded-length output without drift and accepts custom images of people, anime, or pets.

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