Microsoft just shipped the clearest signal yet that it is building an AI empire without OpenAI

Six months after renegotiating the contract that once barred it from independently pursuing frontier AI, Microsoft has released three in-house models that directly challenge the partner it spent $13 billion cultivating. MAI-Transcribe-1, MAI-Voice-1, and MAI-Image-2 are now available in Microsoft Foundry, and they do not carry OpenAI’s name anywhere on the label.

The models are the first publicly released output of the MAI Superintelligence team that Mustafa Suleyman, CEO of Microsoft AI, formed in November 2025 with a stated mission of pursuing what the company calls “humanist superintelligence.” In a March internal memo first reported by Business Insider, Suleyman wrote that he intended to focus all of his energy on superintelligence and deliver world-class models for Microsoft over the next five years. That ambition now has its first tangible evidence.

MAI-Transcribe-1 is, on paper, the most immediately disruptive of the three. The speech-to-text model claims the lowest word error ...