OpenAI, Oracle eye Nvidia chips worth billions for Stargate site
The site, in Abilene, Texas, is expected to house 64,000 of Nvidia's coveted GB200 semiconductors by the end of 2026.
Musk faces legal setback in OpenAI lawsuit as judge fast tracks trial
Musk does not have "the high burden required for a preliminary injunction" to block the conversion of OpenAI, said a judge in Oakland, California.

OpenAI, GPT-4.5

OpenAI expands GPT-4.5 rollout. Here's how to access (and what it can do for you)
OpenAI announces GPT-4.5, warns it’s not a frontier AI model
OpenAI’s GPT-4.5 AI model comes to more ChatGPT users
OpenAI has begun rolling out its newest AI model, GPT-4.5, to users on its ChatGPT Plus tier. In a series of posts on X, OpenAI said that the rollout will take “1-3 days,” and that it expects rate limits to change.
Sam Altman’s OpenAI Debuts GPT-4.5 and Calls It a “Giant Expensive Model”
OpenAI just introduced GPT-4.5, calling it the most human-like AI yet. According to OpenAI’s CEO Sam Altman, the model delivers thoughtful
OpenAI Says ChatGPT-4.5 Comes With a Killer Feature: Emotional Intelligence
A person holds a telephone displaying OpenAI s ChatGPT artificial intelligence logo. On Thursday, OpenAI hosted a livestream to introduce its new GPT-4.5 model. The most important thing to know about the update is that GPT-4.
Could OpenAI build the operating system like the one in ‘Her’?
Much of the company’s value resides in its increasingly powerful ChatGPT brand, and ChatGPT is increasingly doing things a next-gen OS might do.
Sam Altman says OpenAI's new ChatGPT-4.5 is a more emotionally intelligent model but warns that it's 'expensive' to train and run
GPT-4.5 will be "well-suited for tasks like writing, programming, and solving practical problems" OpenAI said on Thursday.
UK competition watchdog drops Microsoft-OpenAI probe
UK Watchdog Drops Competition Review of Microsoft's OpenAI Deal
Microsoft’s $13bn OpenAI tie-up cleared by UK competition regulator
Microsoft’s $13bn investment in OpenAI has been cleared by the UK’s competition regulator, weeks after the artificial intelligence start-up struck a new partnership with SoftBank that reduces its reliance on the US big tech company for its computing infrastructure.
How to Write the Perfect AI Prompt, According to OpenAI President Greg Brockman
The best way to learn to use AI is to play with AI. An expert explains how to write great AI prompts to get you started.
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AI Race: Does Alibaba Outperform OpenAI & DeepSeek?
B, an AI model rivaling OpenAI and DeepSeek with 98% lower compute costs. A game-changer in AI efficiency, boosting Alibaba’s market position.
With GPT-4.5, OpenAI Trips Over Its Own AGI Ambitions
The release of OpenAI’s biggest model ever exposes the tension between building artificial general intelligence and making ChatGPT into a truly useful utility.
Meta plans to release standalone Meta AI app in effort to compete with OpenAI's ChatGPT
Meta’s upcoming AI app advances CEO Mark Zuckerberg’s plans to make his company the leader in AI by the end of the year, people familiar with the matter said.