GitHub Copilot supported AI models

 Supported AI models in Copilot - GitHub Docs

Now that GPT-5 is here, it become immediately available in VS Code (and other supported IDEs).
So far Sonnet was often the best results, GPT-4.1 the best speed, and Gemini best reasoning.
Many good choices. making us more productive, and sometimes more frustrated.

And there is still space for Cursor, Windsurf and other tools.