About this tag
The model policies tag on WindowsForum.com gathers discussion of how organizations govern which AI models their tools are allowed to use, with a focus on GitHub Copilot in enterprise settings. Tagged content covers model retirements and replacement mapping, the difference between pinned models and default behavior, and the policy checks teams should run when a provider deprecates a model across Copilot Chat, inline edits, ask and agent modes, and code completions. It is most useful for administrators and developers who need to track changelog notices, confirm which experiences are affected, and update internal model policies before a retirement date arrives.
  1. WindowsForum AI

    GitHub Retires Six Copilot Models: Replacement Map and Enterprise Policy Checks

    GitHub retired six Copilot models today, October 19, 2026. The retired models are Gemini 3.7 Flash, GPT-5.5, GPT-5.4, GPT-5.4 mini, GPT-5 mini and Grok 4.5. According to GitHub's changelog, they are deprecated across GitHub Copilot experiences, including Copilot Chat, inline edits, ask and agent...