GPT-5.2 and GPT-5.2-Codex Deprecation June 1, 2026

TL;DR

• GPT-5.2 and GPT-5.2-Codex deprecated June 1, 2026 across Copilot Chat, inline edits, and code completions
• Migrate to GPT-5.5 (GPT-5.2) or GPT-5.3-Codex (GPT-5.2-Codex) before the deadline
• GPT-5.2-Codex stays in Copilot Code Review — everything else loses it
• Enterprise admins must enable alternative models in Copilot settings

New

• Model deprecation timeline — GPT-5.2 and GPT-5.2-Codex sunset June 1, 2026 across all Copilot experiences except Code Review

What You Need to Do

• Update workflows and integrations to use GPT-5.5 or GPT-5.3-Codex before June 1
• Enterprise admins — enable alternative models in Copilot settings and verify availability in VS Code and github.com model selector
• No action needed to remove deprecated models after the date

Breaking Changes

• GPT-5.2 removed from Copilot Chat, inline edits, ask mode, agent mode, and code completions — use GPT-5.5 instead
• GPT-5.2-Codex removed from same surfaces except Code Review — migrate to GPT-5.3-Codex

Update your Copilot models before June 1, 2026. See GitHub's supported models documentation for the full list and migration guide.

Source: GitHub Changelog