Claude Opus 5.5 is now available in GitHub Copilot
GitHub has integrated Anthropic's Claude Opus 5.5 model into the GitHub Copilot platform. Users can now select this specific model for agentic coding workflows and long-running knowledge tasks.
Verified State Diff
Impact & Verification Analysis
GitHub Copilot individual and enterprise subscribers.
It provides developers with greater flexibility in model selection, allowing them to match specific coding tasks with the most capable reasoning engine, thereby increasing the efficacy of AI-driven agentic workflows.
Full Fact Overview
The integration of Claude Opus 5.5 into GitHub Copilot represents a strategic expansion of the platform's model-agnostic architecture, allowing developers to leverage Anthropic's high-reasoning capabilities directly within their IDE. This move signals a shift toward multi-model support for agentic workflows, specifically targeting complex, long-running coding tasks that require higher context windows and reasoning depth than standard LLMs. By providing access to Opus 5.5, GitHub is positioning Copilot as a primary orchestration layer for heterogeneous AI development environments.