Microsoft’s move to fold Anthropic’s Claude models into Office 365 marks a clear turning point in the company’s AI strategy: after years of heavy reliance on OpenAI, Microsoft is now building a multi-vendor, task‑optimized Copilot that mixes Anthropic, OpenAI, and its own in‑house models to balance performance, cost, and operational risk. Background
Microsoft’s Microsoft 365 Copilot rollout since 2023 leaned heavily on OpenAI’s GPT family to add generative AI into Word, Excel, PowerPoint...