GPT-5.2-Codex-XMas can be called via the command line

Codex Christmas version model GPT-5.2-Codex-XMas is online, and official members take over the voice

On December 26, 2025, Tibo, a member of the Codex team, took the lead in announcing the launch of a special holiday version model GPT-5.2-Codex-XMas, ...