AI collaboration
Microsoft Maintains 27% Stake in OpenAI as Companies Restructure $135 Billion AI Partnership
Oct 28, 2025 11:39 pm CST
Microsoft and OpenAI have restructured their landmark AI partnership, with Microsoft retaining a 27% stake valued at $135 billion while OpenAI transitions to a public benefit corporation. The new agreement provides both companies greater independence while maintaining collaboration through 2032, with OpenAI committing to $250 billion in Azure cloud services and gaining freedom to develop products with third parties.
Microsoft Integrates xAI's Grok 4 Into Azure AI Foundry: Expanding Enterprise AI Capabilities
Sep 30, 2025 05:40 pm CST
Microsoft has incorporated Elon Musk's xAI's latest language model, Grok 4, into its Azure AI Foundry platform. The collaboration, announced by Microsoft CEO Satya Nadella and acknowledged by Musk, brings Grok 4's 128,000-token context window, advanced reasoning capabilities, and real-time data processing to enterprise customers. Developed on xAI's Colossus supercomputer, Grok 4 represents a significant advancement in AI technology through its reinforcement learning architecture and multi-agent systems approach.