TLDR 2025-10-07

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ChatGPT users can now access interactive applications from companies like Booking.com, Spotify, Figma, and Canva right inside the conversation. OpenAI is trying to build an ecosystem of apps that can be launched directly in ChatGPT's responses, letting users call up third-party tools in their conversations. It has launched a preview of its Apps SDK for developers to start building apps. OpenAI says the new system is built using the Model Context Protocol, which allows developers to connect data sources to AI systems.

OpenAI and AMD have announced a multibillion-dollar partnership to collaborate on data centers running on AMD processors. OpenAI has committed to purchasing 6 gigawatts worth of AMD chips starting with the MI450 chip next year. The deal is AMD's biggest win against Nvidia's dominance in the artificial intelligence space. OpenAI plans to use the AMD chips for inference functions.

SpaceX has signed a $17 billion deal to buy spectrum licenses from EchoStar. The deal will help Starlink satellites deliver better service to smartphones. SpaceX will acquire EchoStar's AWS-4 and H-block spectrum licenses, giving it the rights to 50 MHz of spectrum in the 1.9 and lower 2 GHz spectrum bands. The spectrum will allow SpaceX to provide phone, text, and broadband services from space to mobile users globally.

Mary Brunkow, Fred Ramsdell, and Shimon Sakaguchi were awarded the 2025 Nobel Prize in Physiology or Medicine for their work in the discovery of specialized immune cells that keep potentially harmful immune responses in check. These regulatory T cells play a key role in peripheral immune tolerance, a non-central process that allows the immune system to balance its response. The discovery has opened up new lines of research into peripheral immune tolerance. Researchers are now working on manipulating T cells so that they can't protect cancerous tumors, engineering them to treat autoimmune diseases, and recruiting them to protect transplanted organs and tissues.

This post lists all of the announcements that OpenAI made at DevDay 2025. The updates include Apps in ChatGPT, the Apps SDK, AgentKit, Sora 2 and Sora 2 Pro in the API, GPT-5 Pro in the API, Codex GA, and more. GPT-5 API requests are now 40% faster on the priority processing tier compared to the standard tier.

OpenZL is a novel data compression framework that delivers high compression ratios while preserving high speed. It takes descriptions of data and builds specialized and optimized compressors. OpenZL is designed for engineers who deal with large quantities of specialized data sets that require high speed for their processing pipelines. It consists of a core library and tools to generate specialized compressors, all compatible with a single universal decompressor.

xAI is preparing to build a new plant in Memphis capable of generating over a gigawatt of electricity to power a million-square-foot data center that is also under development nearby. The Colossus data center houses over 200,000 Nvidia chips and powers the technology behind Grok, xAI's AI chatbot. xAI is close to finishing another bigger facility called Colossus 2. Colossus 2 will have a total of 550,000 chips and cost tens of billions of dollars.

The Justice Department and Google spent two weeks arguing over how to address Google's illegal monopoly in advertising software. The government argued that the only way to end Google's dominance in ad tech is to force a breakup and make Google sell the software that connects the buyers and sellers of ad space. Google says that the proposal was too complicated to pull off without harming publishers and instead proposed that the company make its systems work better with products produced by its competitors. The judge presiding over the case will reach a decision in the coming months.

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Ruby developers are able to immediately switch to the new Gem Cooperative, although publishing gems is not yet possible.

AMD deftly pivoted from a strategy of mainly producing graphics cards for gaming and personal-computer processors to more tightly focusing on the data-center chips that are powering the artificial intelligence revolution.

AI is turning everyone into a programmer rather than replacing them.

This post looks at how to build a columnar table format on S3 that gets most of Parquet's benefits while supporting constant-time deletes.

Sora is enabling everyone to be a creator.

Shein will open its first physical locations in France in November.