Microsoft Brings Anthropic’s AI Models to Copilot 365

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Microsoft has begun integrating Anthropic’s AI models, Claude Sonnet 4 and Claude Opus 4.1, into its Copilot assistant.

The new additions will first be made available on apps like Researcher and Microsoft Copilot Studio. Once users opt in to use Anthropic’s models, they will be able to switch between Claude and OpenAI’s models within these apps.

With this move, Anthropic becomes Microsoft’s first Copilot…