Microsoft memo tells GitHub Copilot users to default to GPT-5.6 Sol
Microsoft’s CoreAI leadership issued internal guidance instructing employees to default to OpenAI’s GPT-5.6 Sol model when working inside GitHub Copilot, despite Copilot’s support for many other model providers. The memo, tied to Microsoft’s broader AI spending and budgeting, highlights how OpenAI is prioritized alongside Microsoft’s own model-building and customer access to 11,000+ models.