AI Race Heats Up: Musk’s Showdown, $183B Startup & New Global AI Rules – Top Stories (Sept 3–4, 2025)
Microsoft Launches In-House AI Models, Signaling Independence Microsoft announced it has built two powerful homegrown AI foundation models after years of relying on OpenAI. The company introduced MAI-Voice-1, a lightning-fast speech generator, and MAI-1-preview, a text model for its Copilot assistant semafor.com semafor.com. Mustafa Suleyman, now CEO of the Microsoft AI division, said this marks a strategic shift: “We have to be able to have the in-house expertise to create the strongest models in the world” semafor.com. The move pits Microsoft directly against OpenAI – its close partner turned rival – in the race for cutting-edge AI models semafor.com semafor.com.