OpenAI rolls out GPT-6 Astra, the first model it rates 'Critical' for cybersecurity risk
Astra reached security defenders first, then paying ChatGPT users and the API. OpenAI says the public version refuses advanced offensive tasks.
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Nvidia agrees to buy Hugging Face for about $12.9 billion
The chip giant is acquiring the home of open-source AI models and datasets. The deal, its second-largest ever, is expected to close in the first half of 2027.