Microsoft (MSFT) just threw its own hat into the ring by unveiling two homegrown AI models, MAI-Voice-1 and MAI-1 Preview. What is striking is that the company has previously leaned on OpenAI’s technology for Copilot and other platforms, but this launch signals a bold step toward developing its own foundation models. Both MAI-Voice-1 and MAI-1 Preview are engineered for efficiency, and Microsoft did not waste time putting them to work; Copilot users are already getting a taste. For investors,...