Allison shares that Claude Sonnet 4.5 is now in public preview for GitHub Copilot Pro, Business, and Enterprise plans, expanding AI model options within Visual Studio and other major IDEs.

Claude Sonnet 4.5 Now Available in Visual Studio, JetBrains IDEs, Xcode, and Eclipse

Author: Allison

Claude Sonnet 4.5 is now released in public preview for users subscribed to GitHub Copilot Pro, Pro+, Business, and Enterprise plans. This AI model is accessible through GitHub Copilot Chat across several development environments, including:

Visual Studio
Visual Studio Code
JetBrains IDEs
Xcode
Eclipse
GitHub.com
GitHub Mobile

How to Enable Claude Sonnet 4.5 in Your Organization

If you are a Copilot Business or Enterprise administrator, you must manually enable the Claude Sonnet 4.5 policy in the Copilot settings. Once this policy is activated, users within the organization will see Claude Sonnet 4.5 as an option in the model picker, supporting agent, ask, and edit modes in Copilot Chat.

For detailed documentation on available models in Copilot, refer to the GitHub Copilot supported models documentation.

Feedback and Community Engagement

If you have feedback or questions about this update or using Claude Sonnet 4.5 with Copilot, join the discussion in the Copilot Conversations community.

Key Points:

Claude Sonnet 4.5 extends Copilot’s AI model choices in major IDEs.
Available to Pro, Pro+, Business, and Enterprise plan subscribers.
Admin activation needed for Business/Enterprise.
Further information and community support available through official links.

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