Changing the AI model for GitHub Copilot coding agent

In supported entrypoints, when starting a task with Copilot coding agent, you can select the model used.

Who can use this feature?

Copilot coding agent is available with the GitHub Copilot Pro, GitHub Copilot Pro+, GitHub Copilot Business and GitHub Copilot Enterprise plans. The agent is available in all repositories stored on GitHub, except repositories owned by managed user accounts and where it has been explicitly disabled.
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In this article

Note

For an overview of Copilot coding agent, see About GitHub Copilot coding agent.

Introduction

In supported entrypoints, you can select the model used by Copilot coding agent.

You may find that different models perform better, or provide more useful responses, depending on the type of tasks you give Copilot.

Note

Model selection for Copilot coding agent is only supported when assigning an issue to Copilot on GitHub.com, or when starting a task from the agents tab, agents panel, GitHub Mobile or the Raycast launcher. Where a model picker is not available, Auto will be used automatically. See Asking GitHub Copilot to create a pull request.

Supported models

The following options are currently available:

  • Auto
  • Claude Sonnet 4.5
  • Claude Opus 4.5
  • Claude Opus 4.6
  • GPT-5.1-Codex-Max
  • GPT-5.2-Codex

Note

If you select Auto, Copilot auto model selection will select the best model based on availability and to help reduce rate limiting. See About Copilot auto model selection.