Anthropic Claude Opus 4.1, AI Model Upgraded Again

August 6, 2025 | Ryan Carter

Anthropic's flagship language model, Claude Opus 4.1 is available on GitHub Copilot for Copilot Enterprise and Pro+ subscribers! Claude Opus 4.1 is a full upgrade of Claude Opus 4, Claude Opus 4.1 delivers improvements in logical reasoning, task performing performance (also known as dysfunctional analysis), tool supporting capabilities, and is Anthropic's most capable AI model to date.

With Claude Opus 4.1, users can now perform complex reasoning better, better produce high-quality summaries of documents, and better provide depth of programming assistance for their specific needs - Claude Opus 4.1 is a great intelligent assistant for developers and engineering teams.

Availability and platform support

Claude Opus 4.1 will be rolling out gradually into GitHub Copilot Chat on the platforms below, where users will have the opportunity to switch into it via the model selector, which you will see below:

  • GitHub.com - Can be used directly online
  • Visual Studio Code - Available only in Ask mode (for ad hoc queries and code suggestions)
  • GitHub Mobile - Access your AI-powered coding assistant, anywhere, anytime

Please keep in mind that this rollout is a gradual push. If Claude Opus 4.1 is not yet listed as an option, please refresh or close and open the platform again to verify.

Important Note: The current version of Claude Opus 4 will be deprecated in 15 days. Users of this model will want to change to the new model Claude Opus 4.1 to continue to utilize the latest AI capabilities as soon as possible.

Enterprise Administrator's Guide: How to Enable Claude Opus 4.1

For organizations using Copilot Enterprise, enterprise administrators will need to enable access to the Claude Opus 4.1 model manually via a policy setting in the Copilot settings. Here's how it's done:

  1. Sign in to your GitHub Enterprise account to access the Copilot admin.
  2. Locate Claude Opus 4.1 in Model Policy settings and enable access.
  3. After enabling, enterprise members will see Claude Opus 4.1 in the Copilot Chat model selector on all platforms and can begin using.