Your daily briefing on what's happening in AI — from groundbreaking research to industry moves, curated from the world's most trusted sources. Here are the top stories for 2026-07-13.
1. The fight against AI data centers is just beginning
This is The Stepback, a weekly newsletter breaking down one essential story from the tech world. For more on the data center buildout, follow Emma Roth. The Stepback arrives in our subscribers' inboxes on Sunday at 8AM ET. Opt in for The Stepback here. How it started Years before the AI boom threate
Source: The fight against AI data centers is just beginning
2. Apple’s failed self-driving car program left a legacy of powerful AI chips
Apple's self-driving car program never really got off the ground, but it may have been what made the company's chips the powerful AI performers they are. Early in the development of the self-driving platform, Apple realized that it would need powerful on-device AI processing. While the car processor
Source: Apple’s failed self-driving car program left a legacy of powerful AI chips
3. Elon Musk and Sam Altman spar on X after Apple files OpenAI lawsuit
Sam Altman insisted that Elon Musk was again obsessed with him because of an OpenAI model release earlier this week.
Source: Elon Musk and Sam Altman spar on X after Apple files OpenAI lawsuit
4. Exphormer: Scaling transformers for graph-structured data
Posted by Ameya Velingker, Research Scientist, Google Research, and Balaji Venkatachalam, Software Engineer, Google Graphs , in which objects and their relations are represented as nodes (or vertices) and edges (or links) between pairs of nodes, are ubiquitous in computing and machine learning (ML).
Source: Exphormer: Scaling transformers for graph-structured data
5. Mixed-input matrix multiplication performance optimizations
Posted by Manish Gupta, Staff Software Engineer, Google Research AI-driven technologies are weaving themselves into the fabric of our daily routines, with the potential to enhance our access to knowledge and boost our overall productivity. The backbone of these applications lies in large language mo
Source: Mixed-input matrix multiplication performance optimizations
6. MobileDiffusion: Rapid text-to-image generation on-device
Posted by Yang Zhao, Senior Software Engineer, and Tingbo Hou, Senior Staff Software Engineer, Core ML Text-to-image diffusion models have shown exceptional capabilities in generating high-quality images from text prompts. However, leading models feature billions of parameters and are consequently e
Source: MobileDiffusion: Rapid text-to-image generation on-device
7. The ChatGPT browser is already dead
OpenAI is already shutting down ChatGPT Atlas, its browser that could do tasks for you on your behalf, less than a year after launching it. Atlas was announced in October, but as part of its wave of news about ChatGPT Work today, the company confirmed that it will be "sunsetting" Atlas and is target
Source: The ChatGPT browser is already dead
8. OpenAI says GPT 5.6 is the ‘preferred model’ for Microsoft Copilot 365 amid breakup chatter
OpenAI's new family of models will continue to power Microsoft's suite of workplace and productivity apps.
Source: OpenAI says GPT 5.6 is the ‘preferred model’ for Microsoft Copilot 365 amid breakup chatter
9. OpenAI exec Fidji Simo says she's stepping down due to chronic illness, will transition to advisor
Fidji Simo stepped away from OpenAI in April for a medical leave, says she now has to focus on recovery.
Source: OpenAI exec Fidji Simo says she's stepping down due to chronic illness, will transition to advisor
10. Where Jim Cramer stands on SK Hynix's massive offering
CNBC's Jim Cramer said SK Hynix looks remarkably cheap, but warned that buying it is a bet that the AI-driven memory boom won't end like previous cycles.
Source: Where Jim Cramer stands on SK Hynix's massive offering
💬 What Do You Think?
Which of today's stories matters most for developers? Are any of these trends overhyped? Drop a comment below — I read and reply to every discussion.
📡 Today's sources: blog.research.google, cnbc.com, techcrunch.com, theverge.com
AI Daily Digest is compiled daily from first-party AI company blogs, major news agencies, and technology press. Edited and curated by a human. Last updated: 2026-07-13.