Microsoft is signaling a move toward greater independence from OpenAI by introducing two internally developed AI models: MAI-Voice 1 and MAI-1-preview.
MAI-Voice 1 is a natural speech generation model that creates audio from text prompts. Users can customize tone, voice, and style to produce anything from chatbot dialogue to guided meditations. Microsoft claims it can generate a minute of audio in less than a second using a single GPU, making it one of the fastest models of its kind.
The second model, MAI-1-preview, is Microsoft’s first end-to-end foundation model, trained on 15,000 NVIDIA H100 GPUs. It’s built to deliver helpful responses to everyday questions and will be integrated into Copilot, Microsoft’s AI assistant, in the coming weeks. Users can also test it through LMArena, an open-source platform for evaluating AI models.
Until now, Microsoft has leaned heavily on OpenAI’s technology to power services like Azure and Copilot. The company invested around $13 billion in OpenAI, calling it a long-term partnership. With the launch of MAI-1-preview, Microsoft appears to be shifting focus to its own AI infrastructure.
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