MC1158765: Microsoft 365 Copilot Researcher and Microsoft Copilot Studio: Expanding model choice
Microsoft 365 Copilot Researcher and Copilot Studio now offer Anthropic models (Claude Opus 4.1 and Sonnet 4) alongside OpenAI models. Admin opt-in is required, with rollout starting September 24, 2025. Anthropic models are in preview, hosted externally, and governed by Anthropic's terms, not Mic...