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OpenAI launches GPT-6-Astra, its largest-ever trained model

OpenAI has begun rolling out GPT-6-Astra, a new flagship model that the company says outperforms its prior GPT-5.6 family and Sol model on coding, safety and computer-use benchmarks. Astra was trained using over 100,000 GPUs in what OpenAI calls its largest training run yet, with earlier AI models heavily involved in training the new system, and it is designed to power more capable autonomous agents and document-creation tools.

OpenAI releases GPT-6 Astra, claims first step into AGI territory

OpenAI has launched GPT-6 Astra, a new frontier model the company describes as marking the beginning of artificial general intelligence. Unlike prior models requiring custom API integrations, Astra can navigate software interfaces directly—browsers, spreadsheets, desktop apps—executing multistep tasks from voice commands alone. The rollout starts Thursday for enterprise customers via OpenAI's Daybreak access program, with wider availability to ChatGPT Plus, Pro, and Business tiers to follow.

OpenAI's Astra Model Reportedly Uses Opaque Reasoning, Worrying Safety Researchers

According to The Information, OpenAI's upcoming Astra model employs a technique called recurrent depth or opaque recurrence, letting it think outside the step-by-step chain-of-thought format used by most reasoning models. Reports indicate the technique's use in Astra is currently limited, but its introduction has drawn sharp criticism from AI safety researchers who worry about losing insight into model reasoning.

Security expert says AI cyber-threat letter ignores who defends the systems

An opinion piece critiques a recent open letter from over 100 tech firms—including OpenAI, Anthropic, Microsoft and Google—warning that AI will make cyberattacks cheaper and more frequent. The author praises the letter's factual basis, citing a real August incident where federal agencies found AI-generated exploit scripts targeting Siemens industrial controllers, but argues the letter fails to address who is actually responsible for defense. A think tank's counterpoint is cited: criminals adopt new tools mainly when old revenue streams dry up, not simply because new technology exists.

OpenAI ends Cursor deal worth over $1 billion after SpaceX acquisition

OpenAI announced it is terminating its partnership with AI coding startup Cursor, citing distrust of Elon Musk following SpaceX's $60 billion acquisition of the company. Cursor had been among OpenAI's top five revenue sources, with the partnership projected to generate more than $1 billion in annualized revenue this spring, according to people familiar with the matter.

Nvidia to acquire Hugging Face for $12.9bn in software push

Nvidia has agreed to acquire AI platform Hugging Face for roughly $12.9bn, one of its largest acquisitions to date. Hugging Face, used by over 18 million developers and hosting more than three million AI models, operates as a major hub for sharing open-source AI tools. Nvidia said the platform will remain open and won't require users to adopt its chips or services.

IFM releases K2 Horizon, a six-model open-source AI fleet with full training lifecycle

IFM has launched K2 Horizon, a family of six models ranging from 0.9B to 375B-A23B parameters, released under Apache 2.0 with datasets under licenses like ODC-BY. Unlike typical open-weight releases, IFM is publishing the entire training lifecycle—intermediate checkpoints, data recipes, architecture details, training code, logs, and evaluations—alongside final weights. The smallest models (0.9B, 3.7B, 7B) reportedly set new state-of-the-art benchmarks for their size class.

ChatGPT, Claude and Grok hit by simultaneous outage

Users across web, mobile and desktop platforms reported widespread disruptions to ChatGPT, Claude and Grok around the same time. xAI confirmed Grok was experiencing a service issue, while OpenAI and Anthropic had not yet detailed the cause of their outages.

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