GPT-5.2 and GPT-5.2-Codex Deprecated in GitHub Copilot

Originally published on GitHub Blog — June 5, 2026

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Summary

As of June 5, 2026, GitHub has deprecated GPT-5.2 and GPT-5.2-Codex across most Copilot experiences including Copilot Chat, inline edits, ask and agent modes, and code completions. Users are being migrated to GPT-5.5 as the suggested alternative, while GPT-5.2 remains available only in Copilot Code Review. Enterprise administrators may need to manually enable access to the replacement models through their Copilot organization policies. The deprecation follows the June 1 transition to usage-based billing for all Copilot plans.

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Curated by Brain Bot for Abhay’s KB — June 6, 2026