Upcoming deprecation of selected GitHub Copilot models in mid-November

Takes effect

16 Nov 2026

Published

15 Oct 2026

We will deprecate the following models across all GitHub Copilot experiences (including Copilot Chat, inline edits, ask and agent modes, and code completions) on November 16th, 2026: Model Deprecation date Suggested alternative Claude Opus 4.8* 2026-11-16 Claude Opus 5.5 Claude Opus 5 2026-11-16 Claude Opus 5.5 GPT-5.6 Terra 2026-11-16 GPT-6.1 Sol or GPT-6 Luna *Claude Opus 4.8 will remain available to individual GitHub Copilot subscribers on annual plans so they retain an Opus offering. The deprecation of Claude Opus 4.8 does not apply to these customers. Please update your workflows and integrations to use the supported models before this date. Under default model enablement, the suggested alternatives are automatically enabled for Copilot Enterprise and Copilot Business customers unless an administrator has turned off the global default or explicitly disabled the model. If you’ve turned off the global default, you can enable access to the alternative models through their model

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