What Happened

GitHub has made Anthropic's Claude Opus4.5 generally available across its paid Copilot tiers Enterprise, Business, Pro and Pro+. The new model can now be selected in CopilotChat and is being rolled out to users of these subscriptions.

Who's Involved

The integration brings together two parties: GitHub, which provides the Copilot suite of AIassisted development tools, and Anthropic, the creator of the Claude Opus4.5 model. Together they enable developers to access the latest version of Claude within the Copilot experience.

Key Details

  • Platforms and IDEs: The model can be used via CopilotChat on GitHub.com, the GitHub mobile app, VisualStudioCode, VisualStudio, JetBrains IDEs, Xcode and Eclipse.
  • Model picker: ClaudeOpus4.5 appears in the chat model picker for the agent, ask and edit modes, allowing users to switch to it directly.
  • Paid tiers only: Access is currently limited to the paid Copilot tiers (Pro, Pro+, Business and Enterprise). Users on the free plan do not yet have access.
  • Enterprise and Business enablement: Administrators must manually turn on the ClaudeOpus4.5 policy in the Copilot settings. Once enabled, the model is visible to all members of the organisation.
  • Individual plan activation: Subscribers on individual paid plans can enable the model themselves via the model picker and will receive a onetime confirmation prompt.
  • Rollout status: The deployment is ongoing. Users who do not see the model immediately are encouraged to check back later.
  • Feedback loop: GitHub is asking developers to try the model, share thoughts in community discussions and refer to the documentation for a list of supported models.
  • Press focus: Some coverage highlights potential productivity gains, but the official announcement centres on availability and how to enable the model.

Why It Matters

Having a more advanced AI model at hand can influence daytoday coding work. By offering ClaudeOpus4.5 across a wide range of development environments, GitHub expands the toolkit that developers can rely on for code suggestions, explanations and edits. This broader availability may lead to:

  • Improved productivity, as the model can generate or refine code more effectively.
  • Potential enhancements to code quality, thanks to the model's advanced reasoning capabilities.
  • A small administrative step for organisations using Copilot Business or Enterprise, requiring an explicit policy toggle to unlock the model for all users.
  • Greater reach of AIassisted development tools across the IDEs that developers already use.

Conclusion

GitHub's integration of Anthropic's ClaudeOpus4.5 into the paid Copilot tiers marks a notable expansion of AIpowered assistance for developers. By making the model selectable across many IDEs and providing clear steps for administrators and users to enable it, GitHub is positioning the latest AI capabilities as a mainstream part of the development workflow. As the rollout continues and developers share their experiences, the Copilot platform is likely to evolve further, shaping how code is written and refined in the months ahead.