
Project Polaris at Microsoft Build 2026: GitHub Copilot Model Swap, Azure AI Foundry Supported Models & On-Prem Options
Project Polaris replaces GPT-4 Turbo as the GitHub Copilot default in August 2026. Microsoft Build 2026 also expanded Azure AI Foundry to OpenAI, Anthropic, Cohere, DeepSeek, Mistral, Meta, and xAI—with on-prem deployment via Azure Arc.
via Microsoft
