GitHub schedules selected Copilot model deprecations for October 19

Focus: Technical AI Engineering
Date: September 18, 2026
Topics: Copilot, models, deprecation
Evidence: Official Announcement
Availability: Published

Four-step diagram showing current models, policy review, alternative models, and the October 19 transition.

Summary: GitHub says selected models will be deprecated across Copilot experiences on October 19, 2026, and points administrators and users toward alternative models available through Copilot model policies and selectors.

Why it matters: Teams that pin workflows, guidance, or expectations to particular Copilot models need to check model policies and transition plans before the October cutoff.

What to do now

Audit Copilot model policies: Identify affected model choices and enable suitable alternatives before the October 19 deprecation date.

Source: GitHub schedules selected Copilot model deprecations for October 19

How useful was this?

Anonymous feedback. No name or email collected.

← Daily Brief for September 19, 2026