Microsoft is now hosting xAI’s Grok 3 models
Published on: 2025-07-03 16:00:00
is a senior editor and author of Notepad , who has been covering all things Microsoft, PC, and tech for over 20 years.
I reported in my Notepad newsletter earlier this month that Microsoft was getting ready to host Elon Musk’s Grok AI models, and now it’s official. At Microsoft’s Build developer conference today, the company confirmed it’s expanding its Azure AI Foundry models list to include Grok 3 and Grok 3 mini from xAI.
“These models will have all the service level agreements (SLAs) Azure customers expect from any Microsoft product,” says Microsoft. The Grok AI models will be hosted and billed directly by Microsoft, and offered to its own product teams and customers through its Azure AI Foundry service.
It’s a surprise addition that could prove controversial internally and further inflame tensions with Microsoft’s partner OpenAI. Microsoft has been steadily growing its Azure AI Foundry business over the past year, and has been quick to embrace models from a variety of AI labs t
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