GitHub schedules six Copilot model retirements for October 19

GitHub announced that six models will leave Copilot experiences on October 19, 2026.

By twenty8digital · AI-assisted briefingPublished 29 Sept 2026

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AI-generated conceptual illustration from the twenty8digital archive. Not a documentary image of this announcement.

Announcement: 18 Sept 2026
Coverage: Global
Primary source: GitHub ↗

What changed?

What should you keep in mind?

The affected models are Gemini 3.7 Flash, GPT-5.5, GPT-5.4, GPT-5.4 mini, GPT-5 mini and Grok 4.5. GitHub lists newer alternatives and asks teams to update integrations before the deadline. Business and Enterprise administrators who disabled default model enablement may need to permit replacements through model policies.

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Source announcement: 18 Sept 2026. This is an original summary, not independent on-the-ground reporting.

GitHub ↗

Last updated: 29 Sept 2026. Editorial policy & corrections

GitHub schedules six Copilot model retirements for October 19

What changed?

What should you keep in mind?

Go to the source

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