Upcoming deprecation of selected GitHub Copilot models in mid-October
DeprecationVerifiedAdded Sep 22, 2026
We will deprecate the following models across all GitHub Copilot experiences (including Copilot Chat, inline edits, ask and agent modes, and code completions) on October 19th, 2026: Model Deprecation date Suggested alternative Gemini 3.7 Flash 2026-10-19 Gemini 3.8 Flash GPT-5.5 2026-10-19 GPT-5.6 Sol GPT-5.4 2026-10-19 GPT-5.6 Sol GPT-5.4 mini 2026-10-19...
Topics: AI agents, LLMs, Governance, Observability, Coding agents
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More GitHub Copilot releases
Every GitHub Copilot release| Date | Release | Type |
|---|---|---|
| Sep 18 | Copilot code review: An improved review experience GA | GA |
| Sep 18 | GitHub Copilot weekly releases , September 14 GA | GA |
| Sep 17 | Copilot impact dashboard now shows feature engagement Update | Update |
| Sep 17 | Agentic CLI customizations now in the usage metrics API Update | Update |
| Sep 16 | Copilot budget increase requests are generally available GA | GA |
| Sep 21 | Grok 4.7 is now available in GitHub Copilot Update | Update |
| Sep 15 | GitHub Copilot suggests custom properties definitions Preview | Preview |
| Sep 22 | Claude Opus 5.5 is now available in GitHub Copilot Update | Update |
