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OpenAI Blog · Dec 18, 2025

Addendum to GPT-5.2 System Card: GPT-5.2-Codex

Reviewed by Errol Vogt, Site support technician & online learning analyst · original summary · editorial policy

Addendum to GPT-5.2 System Card: GPT-5.2-Codex. Source details are limited, so this entry summarizes the headline change only for operators tracking their tools.

Operator takeaway: For operators: review whether 'Addendum to GPT-5.2 System Card: GPT-5.2-Codex' affects your current setup before relying on it in production.

Read the original at OpenAI Blog →

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