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Microsoft Adds Anthropic AI Models to 365 Copilot, Expanding Beyond OpenAI

Microsoft announced on Wednesday that it is integrating Anthropic’s AI models into its Copilot assistant, marking a strategic move to diversify beyond its close partnership with OpenAI, the maker of ChatGPT.

While OpenAI’s models will continue to power Copilot by default, users will now be able to choose Anthropic’s Claude Sonnet 4 and Claude Opus 4.1 for tasks within Copilot’s “Researcher” tool and when building custom agents in Microsoft Copilot Studio.

Starting this week, users who opt in to test Claude will be able to switch seamlessly between OpenAI and Anthropic models in Researcher, said Charles Lamanna, president of Microsoft’s business and industry Copilot division.

The shift underscores Microsoft’s effort to broaden the foundation of its AI services. Until now, Copilot’s advanced features across apps such as Word and Outlook have relied primarily on OpenAI.

Although Microsoft is OpenAI’s largest investor, the company has also been developing its own models and integrating those from other AI firms. Earlier this year, it announced plans to offer models from Elon Musk’s xAI and Meta Platforms, all hosted within its data centers. Models from China’s DeepSeek have also been added to Microsoft’s Azure cloud platform.

Anthropic’s Claude models, however, are primarily hosted on Amazon Web Services (AWS), a direct competitor to Microsoft Azure, highlighting a rare cross-cloud collaboration.

Microsoft Brings Native Audio Creation to Copilot With New Expressive Voice Options

Microsoft has introduced a new native audio generation feature to its Copilot platform, expanding its AI capabilities beyond text and images. With this update, users can now provide Copilot with a written script and have it converted into a natural-sounding AI voiceover in different expressive styles. Unlike traditional text-to-speech tools, Microsoft claims its system delivers audio that feels more authentic and less robotic. This breakthrough is powered by the company’s in-house MAI-Voice-1 AI model, first unveiled in late August.

The announcement was made by Mustafa Suleyman, CEO of Microsoft AI, through a post on X (formerly Twitter). Suleyman highlighted that the audio generation feature is currently available through Copilot Labs, but only to users signing in with a personal Microsoft account. The move signals Microsoft’s intention to test the feature on a smaller scale before rolling it out more broadly across its ecosystem of apps and services.

At launch, Copilot offers users three distinct voice modes. The first, Scripted mode, delivers a straightforward and literal read of the input text, making it well-suited for use cases such as formal announcements, e-learning, and document narration. This ensures a professional and clear tone without unnecessary dramatization.

The second mode, called Emotive, is designed to add flair and expression. By varying pitch, tone, and pacing, it creates a more dynamic and engaging delivery that feels closer to human storytelling. Microsoft says this style is best for marketing, advertising, or entertainment contexts where dramatic impact matters. A third style, which Suleyman has hinted at but not fully detailed yet, is expected to further broaden Copilot’s voice versatility, giving users additional creative options.

Premier League Signs Five-Year AI Partnership with Microsoft to Enhance Fan Engagement

The English Premier League announced a five-year partnership with Microsoft on Tuesday, aiming to integrate Microsoft’s AI-powered Copilot into the league’s digital platforms. This collaboration will provide fans with instant access to detailed facts and statistics about matches, players, and clubs.

The AI companion, fueled by Microsoft’s Copilot technology, will draw from an extensive database including over 30 seasons of Premier League statistics, 300,000 articles, and 9,000 videos, allowing fans to explore rich historical and current data seamlessly.

Sports leagues worldwide have increasingly adopted AI technology to manage and analyze vast amounts of data, enhancing fan experiences and engagement. For example, Spain’s LaLiga employs AI for match analysis and media production, while individual clubs use AI-driven tools to deepen fan interaction.

In addition to AI integration, the Premier League is migrating its digital infrastructure to Microsoft Azure. This move is designed to simplify AI deployment and establish a unified, modern platform for the league’s digital services.