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GitHub Changelog

GitHub has deprecated several AI models in Copilot as of October 23, 2025, including Claude Sonnet 3.7, Claude Opus 4, GPT o3/o1/o3/o4 mini variants, and Gemini 2.0 Flash. Users should migrate to newer alternatives like Claude Sonnet 4.5, Claude Opus 4.1, GPT-5 variants, and Gemini 2.5 Pro. Enterprise administrators may need to enable access to replacement models through Copilot settings, while deprecated models will be automatically removed without user action.

Selected Claude, OpenAI, and Gemini Copilot models are now deprecated