By Ben Appleby
Publication Date: 2026-05-28 08:45:00
Copilot Studio adds Mistral Medium 3.5, expanding model choice with in‑region data control, strong multilingual performance, and admin governance.
As organizations around the world continue to bring more agents into production, there’s a growing demand for AI models that align with regional expectations around data handling and control. Microsoft Copilot Studio aims to meet this need by combining model flexibility with enterprise-grade governance, empowering teams to choose the best model for a given scenario while maintaining control over how and where data is processed.
Today, we’re expanding that choice with the addition of Mistral Medium 3.5 for agent building and orchestration. Medium 3.5 is currently available worldwide for customers in early release environments.
For organizations in the European Union (EU), this model has the added benefit of providing more flexibility in how their agents are powered, while keeping data processing in-region. It also…
