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With New in-House Models, Microsoft Lays the Groundwork for Independence From OpenAI

Microsoft's MAI-Voice-1 generates one minute of audio in under a second on a single GPU, while MAI-1-preview showcases future AI capabilities within Copilot tools.

  • On Thursday, Microsoft introduced two internally developed AI models, MAI-Voice-1 and MAI-1-preview, marking a significant step forward in its artificial intelligence efforts under the guidance of Mustafa Suleyman.
  • Microsoft developed these models to reduce reliance on external providers like OpenAI and ensure efficiency and cost-effectiveness for consumers.
  • MAI-Voice-1 is an exceptionally fast speech synthesis model that can generate 60 seconds of audio in less than one second using a single GPU, while MAI-1-preview is a text-based model trained with approximately 15,000 Nvidia H100 GPUs.
  • Suleyman highlighted the necessity for internal skills and knowledge to build leading AI models globally, stressing the importance of carefully selecting optimal training data.
  • Microsoft plans to integrate MAI-1-preview selectively into its Copilot AI assistant and believes these models help it compete independently within the AI industry.
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Microsoft strengthened its position in the field of artificial intelligence (IA) by announcing its first models developed internally, in a clear demonstration that it intends to compete directly with the main names of the sector...

·Portugal
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Center

Microsoft's medium-term goal is to use its own artificial intelligence, and it has already begun to do so, with the release of MAI-1-preview and MAI-1-Voice.

·Madrid, Spain
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Semafor broke the news in New York, United States on Thursday, August 28, 2025.
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