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---
title: Upcoming deprecation of selected GitHub Copilot models...
description: GitHub is deprecating several Copilot models on November 16th, 2026, including Claude Opus 4.8, Claude Opus 5, and GPT-5.6 Terra across all Copilot experiences...
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og:title: Upcoming deprecation of selected GitHub Copilot models in mid-November | daily.dev
og:description: GitHub is deprecating several Copilot models on November 16th, 2026, including Claude Opus 4.8, Claude Opus 5, and GPT-5.6 Terra across all Copilot experiences...
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# Upcoming deprecation of selected GitHub Copilot models in mid-November

**[GitHub Changelog](https://daily.dev/sources/github_updates)** · 2 min read · 11 upvotes · 1 comments

## Summary

GitHub is deprecating several Copilot models on November 16th, 2026, including Claude Opus 4.8, Claude Opus 5, and GPT-5.6 Terra across all Copilot experiences (Chat, inline edits, ask/agent modes, code completions). Suggested replacements are Claude Opus 5.5 and GPT-6.1 Sol or GPT-6 Luna. Individual Copilot subscribers on annual plans keep access to Claude Opus 4.8 as an exception. Enterprise and Business admins should check model policies since default enablement may auto-switch users to the new models, and no action is needed to remove deprecated models once the cutoff passes.

## Full article

daily.dev links to this article rather than hosting it. Read it at the original source: <https://github.blog/changelog/2026-10-15-upcoming-deprecation-of-selected-github-copilot-models-in-mid-november>

## Questions this post answers

### Which GitHub Copilot models are being deprecated in November 2026?

Claude Opus 4.8, Claude Opus 5, and GPT-5.6 Terra are being deprecated across all GitHub Copilot experiences on November 16th, 2026, including Copilot Chat, inline edits, ask and agent modes, and code completions. Suggested replacements are Claude Opus 5.5 for the Claude Opus models and GPT-6.1 Sol or GPT-6 Luna for GPT-5.6 Terra.

_Track which coding assistant models are being retired on daily.dev before a workflow breaks._

### Will individual GitHub Copilot subscribers lose access to Claude Opus 4.8?

No, individual GitHub Copilot subscribers on annual plans keep access to Claude Opus 4.8 even after its November 16th, 2026 deprecation date, so they retain an Opus offering. This exception does not apply to Copilot Business or Enterprise customers, who should switch to Claude Opus 5.5 instead.

_Developers managing Copilot subscriptions can follow model availability changes like this on daily.dev._

### Do I need to manually remove deprecated models from GitHub Copilot settings?

No action is required to remove the models after they are deprecated. Under default model enablement, suggested alternative models are automatically enabled for Copilot Enterprise and Copilot Business customers unless an administrator has turned off the global default or explicitly disabled the model, in which case the alternative must be enabled manually through model policies.

_Admins keeping Copilot configurations current can monitor model policy changes via daily.dev._

## Community discussion

Top comments from developers on daily.dev.

**@ahmetozel** · 1 upvotes

> The annual-plan exception for Opus 4.8 means a team can appear to have completed its migration while individuals still run different models for the same workflow. I would record the actual selected model when comparing generated changes or reviewing a reported regression.
>
> Before November 16, a small set of representative edit and agent tasks could check the replacement models under the same repository instructions and tool permissions. Automatic model enablement confirms availability, not equivalent behavior. Keeping policy checks separate from those task-level comparisons would help...

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---

Tags: [#github](https://daily.dev/tags/github), [#ai-coding](https://daily.dev/tags/ai-coding), [#claude](https://daily.dev/tags/claude), [#gpt](https://daily.dev/tags/gpt)

[View this post on daily.dev](https://daily.dev/posts/upcoming-deprecation-of-selected-github-copilot-models-in-mid-november-ljm7u29rk)

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