Microsoft is bringing Anthropic’s Claude Sonnet 4 and Claude Opus 4.1 to Microsoft 365 Copilot users.

Microsoft is bringing Anthropic’s Claude Sonnet 4 and Claude Opus 4.1 to Microsoft 365 Copilot users.

Microsoft is integrating OpenAI rival Anthropic's AI into Copilot, marking another step toward the disentangling of Microsoft and OpenAI.