GPT-5.2 and GPT-5.2-Codex deprecated GitHub deprecated GPT-5.2 and GPT-5.2-Codex across most Copilot experiences on June 5, 2026, with GPT-5.5 and GPT-5.3-Codex as suggested replacements. The models remain available for Copilot code review, and Enterprise administrators must update model policies to enable access to the alternatives. GPT-5.2 and GPT-5.2-Codex deprecated As of today, June 5, 2026, we have deprecated the following models across most GitHub Copilot experiences including Copilot Chat, inline edits, ask and agent modes, and code completions . Note that GPT-5.2 is still available as part of Copilot code review. | Model | Deprecation date | Suggested alternative | |---|---|---| | GPT-5.2 | 2026-06-05 | GPT-5.5 | | GPT-5.2-Codex | 2026-06-05 | GPT-5.3-Codex | 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. Share your feedback share-your-feedback To learn more about the models available in Copilot, see our documentation on models https://docs.github.com/copilot/reference/ai-models/supported-models?utm source=model-release-announcement&utm medium=changelog&utm campaign=newmodels and get started with Copilot today. Join the GitHub Community https://github.com/orgs/community/discussions/categories/copilot-conversations?utm source=model-release-announcement&utm medium=changelog&utm campaign=newmodels to share your feedback.