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Microsoft is intensifying its AI game within Microsoft 365 Copilot by incorporating Anthropic’s powerful Claude Sonnet 4 and Claude Opus 4.1 AI models. This strategic integration offers users a wider array of AI options, supplementing the already-available OpenAI models. Customers can now leverage Anthropic’s advanced capabilities directly within features like Researcher and Microsoft Copilot Studio. The new functionality allows seamless switching between OpenAI and Anthropic’s AI, with Anthropic’s models being served through Amazon Web Services. Furthermore, developers can harness these Anthropic models to construct and manage AI agents within Copilot Studio, opening up new possibilities for intelligent automation. This development builds upon Microsoft’s recent embrace of Anthropic’s technology, as seen in Visual Studio Code, hinting at a deeper collaboration and broader integration of Anthropic’s AI solutions throughout the Microsoft ecosystem.