Selected models in GitHub Copilot deprecated
Quick Answer
GitHub has deprecated several models in Copilot as of October 2, 2026, including Gemini 3.5 Flash and Claude Opus 4.7, recommending users to switch to newer models like Gemini 3.8 Flash and Claude Opus 5.5.
Quick Take
Administrators must update workflows and check model policies in Copilot settings to ensure compatibility.
Key Points
- Models deprecated include Gemini 3.5 Flash, Gemini 3.6 Flash, Kimi K2.7 Code, and Claude Opus 4.7.
- Users are advised to transition to Gemini 3.8 Flash, Kimi K3, and Claude Opus 5.5.
- Administrators need to enable access to alternative models in Copilot settings.
- No action is needed to remove deprecated models from existing workflows.
- Enterprise customers should contact their account manager for assistance.
📖 Reader Mode
~1 min readAs of today, October 2, 2026, we have deprecated the following models across all GitHub Copilot experiences (including Copilot Chat, inline edits, ask and agent modes, and code completions).
| Model | Deprecation date | Suggested alternative |
|---|---|---|
| Gemini 3.5 Flash | 2026-10-02 | Gemini 3.8 Flash |
| Gemini 3.6 Flash | 2026-10-02 | Gemini 3.8 Flash |
| Kimi K2.7 Code | 2026-10-02 | Kimi K3 |
| Claude Opus 4.7 | 2026-10-02 | Claude Opus 5.5 |
Please update your workflows and integrations to use supported models. Copilot Enterprise administrators may need to enable access to alternative models through their model policies in Copilot settings. As an administrator, you can verify availability by checking your individual Copilot settings and confirming that the policy is enabled for the specific model. Once enabled, you’ll see the model in the Copilot Chat model selector in VS Code and on github.com. No action is required to remove the deprecated models.
GitHub Enterprise customers with questions or concerns are encouraged to reach out to their account manager for further assistance.
To learn more about the models available in Copilot, see our documentation on models and get started with Copilot today.
Join the GitHub Community to share your feedback.
— Originally published at github.blog
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