Developers are experiencing a major upgrade as GitHub Copilot integrates OpenAI’s latest GPT-5.1 models into public preview. Copilot users can leverage GPT-5.1, GPT-5.1 Codex, GPT-5.1 Codex Mini & GPT-5.2 to enhance their coding productivity and creativity across a wide spectrum of environments. This advancement signals a new era for AI-assisted software development, making cutting-edge tools accessible to a broader audience.
Wider Platform Support and Tailored Model Integration
The rollout brings these advanced models to multiple Copilot plans, including Pro, Pro+, Business, and Enterprise. Depending on your subscription and environment, you’ll receive tailored support designed to optimize your workflow.
As the deployment continues, some users may notice a gradual rollout. It’s recommended to periodically check your Copilot environment for model availability.
Quick Guide: Enabling the New Models
Accessing GPT-5.1 and its Codex variants is straightforward but varies by subscription level:
- Enterprise and Business: Administrators enable GPT-5.1 models in Copilot’s settings. Once activated, organizational users can select models via the Copilot Chat model picker.
- Pro and Pro+: Individuals select their preferred model directly and confirm via a one-time prompt, gaining immediate access.
- Bring Your Own Key: Users can select and manage models by choosing “Manage Models” in the picker and entering an OpenAI API key as prompted.
Resources and Community Engagement
To ensure a smooth transition, GitHub offers detailed documentation outlining supported AI models and their features within Copilot. These resources guide developers through best practices and new capabilities. Additionally, GitHub encourages the community to provide feedback and share experiences in the GitHub Community forums. This collaborative approach helps refine the tools and supports continuous improvement for all users.
Implications for Modern Software Development
The public preview of GPT-5.1 and its Codex family positions GitHub Copilot at the forefront of AI-driven coding. By expanding access and improving integration across leading IDEs, Copilot is set to accelerate innovation and streamline workflows for both individuals and teams. As these models evolve, developers will benefit from more personalized, context-aware assistance that adapts to their unique styles and challenges.
Conclusion
With GPT-5.1, GPT-5.1 Codex, and Codex Mini now in public preview, GitHub Copilot users gain unprecedented power and flexibility in code generation and assistance. This milestone highlights GitHub’s dedication to advancing the developer experience through intelligent, accessible AI tools.
Source: GitHub Changelog
GitHub Copilot Unveils GPT-5.1 Models: What Developers Need to Know