GitHub has retired six AI models from Copilot as of October 19, 2026.
GitHub has retired six AI models from Copilot as of October 19, 2026.
The affected models include GPT-5.5, GPT-5.4, GPT-5.4 mini, GPT-5 mini, Gemini 3.7 Flash, and Grok 4.5. Developers are encouraged to update their workflows and switch to supported alternatives, including GPT-6.1 Sol, GPT-6 Luna, Gemini 3.8 Flash, and Grok 4.7.