Grok 4.7, GPT-6 Sol and Luna and Opus 5.5 reach Copilot and Codex; six models retired
Grok 4.7, GPT-6 Sol and Luna (also in ChatGPT and Codex) and, gradually, Opus 5.5 appeared in GitHub Copilot between 21 and 22 September. On 19 October GitHub will retire six models, including GPT-5.5 and Gemini 3.7 Flash.
Who is affected and how
- tech lead
- Check that the team does not rely on the models being retired on 19 October, and switch in good time.
- senior developer
- Compare the new models on your own tasks before making them the default.
Sources
- Grok 4.7 is now available in GitHub Copilotthe github blog · Sep 21, 2026
- Grok 4.7 is now available in GitHub Copilot - GitHub Changeloggithub.blog · Sep 21, 2026
- GitHub Copilot, Grok 4.7 출시로 에이전트 코딩 강화 | 데브데이devday.kr · Sep 21, 2026
- GitHub puts Grok 4.7 in Copilot at the same rate it charges for 4.6 · WebAiRadarwebairadar.com · Sep 21, 2026
- GitHub Copilot adds Grok 4.7 for agentic coding | Mail Studiomail-studio.com · Sep 22, 2026
- SpaceXAI Launches Grok 4.7 for Coding, Long-Horizon Agentic Knowledge Workanalyticsindiamag.com · Sep 22, 2026
- Grok 4.7 Is Out: Features, Pricing & How to Try Itkingy.ai · Sep 21, 2026
- OpenAI's GPT-6 Sol and GPT-6 Luna Land in GitHub Copilottechnobezz · Sep 22, 2026
Machine-generated summary based on the titles and excerpts of the source articles. The facts come from the linked article.