# GitHub — Upcoming deprecation of selected GitHub Copilot models in mid-October

- Company: GitHub (github.com)
- Announced: 2026-09-18T19:00:00+00:00
- Category: deprecation
- Coverage: not counted
- Announcement: yes
- Group: announcements
- Source: https://github.blog/changelog/2026-09-18-upcoming-deprecation-of-selected-github-copilot-models-in-mid-october
- Record: https://forck.live/items/12240-upcoming-deprecation-of-selected-github-copilot-models-in-mid-october
- Subject: Copilot

GitHub will deprecate selected models across all GitHub Copilot experiences on October 19th, 2026. Users are advised to update workflows and integrations to use supported models before the deprecation date, with alternative models automatically enabled for Copilot Enterprise and Copilot Business customers under default model enablement.

## Evidence

Verbatim from https://github.blog/changelog/2026-09-18-upcoming-deprecation-of-selected-github-copilot-models-in-mid-october:

> 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:

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Record: https://forck.live/items/12240-upcoming-deprecation-of-selected-github-copilot-models-in-mid-october
Catalogue: https://forck.live/llms.txt
Current issue: https://forck.live/feed.md