GitHub has officially announced the general availability of Anthropic’s Claude Sonnet 4.5 across GitHub Copilot.
This major GitHub Copilot update gives developers access to one of the most advanced AI models for coding, designed to improve accuracy, flexibility, and efficiency across popular development platforms.
The Claude Sonnet 4.5 model is now available for all Copilot Enterprise, Business, Pro, and Pro+ users. Developers can use the model in Copilot Chat on multiple platforms, including:
This rollout ensures consistency across GitHub’s ecosystem, letting developers interact with the same AI model whether coding locally or in the cloud.
Also read about: GitHub Copilot Embedding Model 2025 Enhances Code Search
Claude Sonnet 4.5 offers major upgrades in reasoning, performance, and coding context understanding. It’s designed to help developers write cleaner and faster code while reducing repetitive work.
Developers using Copilot CLI and Chat can now generate, review, and correct code with improved accuracy. The model’s contextual memory allows longer conversations without losing focus, delivering more natural code assistance.
This GitHub Copilot update marks a significant step toward smarter software development.
By integrating Anthropic’s Claude Sonnet 4.5, GitHub strengthens its collaboration with AI models built for professional coding environments.
For developers, this means better speed, precision, and integration — all inside the tools they use every day.
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