OpenAI GPT-5-Codex launches in public preview for GitHub Copilot users
OpenAI's GPT-5-Codex model is now rolling out in public preview for GitHub Copilot users, including Pro, Pro+, Business, and Enterprise plans. The model can be selected within the Copilot Chat picker in Visual Studio Code starting from version 1.104.1.
Administrators must enable GPT-5-Codex policy for Enterprise and Business plans, while Pro users can activate it in the model picker.
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Free for ChatGPT Subscribers, through the Codex extension rather than the Copilot extension. Same thing, better bang for your buck.