GitHub is enhancing the Copilot experience by phasing out older models in favor of superior alternatives. Effective October 23, 2025, several models will be deprecated, including Claude Sonnet 3.7 and GPT o3, transitioning to Claude Sonnet 4 and GPT-5, respectively. Users should update their workflows to ensure compatibility with supported models prior to this date. Copilot Enterprise administrators must enable access to these new models through Copilot settings and verify their availability in the model selector within VS Code and on GitHub. No action will be needed for the removal of deprecated models. For assistance, GitHub Enterprise customers are encouraged to contact their account managers. This proactive approach ensures that developers benefit from the latest capabilities and maintain high-quality code generation, aligning with GitHub’s commitment to continuous improvement in AI-powered coding tools. Stay ahead by transitioning to the latest models for an optimal coding experience.
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