Frontier Models
The latest Frontier Models coverage — news, analysis, and updates from the WindowsNews.AI desk.
Azure AI Foundry Deploys Grok 4 Fast SKUs With Dual Reasoning Modes
Microsoft's Azure AI Foundry has officially integrated xAI's Grok 4 Fast SKUs into its enterprise AI platform, marking a significant expansion of available large language models for business...
Microsoft Seeks AI Self-Sufficiency with 15K GPU Cluster and In-House Models
{ "title": "Microsoft Seeks AI Self-Sufficiency with 15K GPU Cluster and In-House Models", "content": "Microsoft has drawn a line in the sand: it intends to be able to build and run its own...
Microsoft Taps Anthropic's Claude Sonnet 4 to Power Copilot in Office 365, Breaking OpenAI Exclusivity
Microsoft is quietly engineering the most significant shift in its Office AI strategy since Copilot launched: the company is adding Anthropic's Claude models to the backend mix, specifically routing...
Microsoft Debuts In-House AI Models MAI-Voice-1 and MAI-1-Preview, Shifting Dependence from OpenAI
Microsoft has officially entered the in-house foundation model arena, unveiling MAI-Voice-1 and MAI-1-preview, two AI models built to power Copilot and Azure services while reducing the company’s...
Microsoft's MAI-Voice-1 Generates 60 Seconds of Audio in Under a Second, Alongside New Text Model
Sixty seconds of natural-sounding speech, generated in less time than it takes to blink. That’s the headline claim Microsoft is making with MAI-Voice-1, a new speech synthesis model unveiled this...
Microsoft Ships In-House AI Models, Moving Copilot Beyond OpenAI Dependency
Microsoft has quietly deployed its first fully in-house AI models for consumer-facing Copilot experiences, a strategic pivot that reduces the company’s reliance on OpenAI’s technology and charts...