GitHub Copilot is deprecating Grok Code Fast 1 (github.blog)

GitHub has announced the deprecation of its Grok Code Fast 1 model across all GitHub Copilot features, effective May 15, 2026. Users are encouraged to transition to the suggested alternatives, GPT-5 mini or Claude Haiku 4.5, as Grok Code Fast 1 will no longer be supported due to the model provider's discontinuation. Administrators of Copilot Enterprise should ensure they enable access to these new models within their settings to maintain seamless integration with existing workflows. This change is significant for the AI/ML community, as it underscores the rapid evolution of AI models and the necessity for developers to adapt to new capabilities. As GitHub Copilot continuously refines its offerings, transitioning to advanced models like GPT-5 mini promises improved code suggestions and enhanced productivity. Users are advised to consult the documentation on available models and engage with the GitHub community for feedback, ensuring they leverage the latest advancements in AI-driven coding assistance.