Tom Warren / The Verge:Microsoft is bringing Anthropic's Claude Sonnet 4 and Claude Opus 4.1 to Microsoft 365 Copilot, starting with Researcher and Copilot Studio — 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 …