GPT-5.2-Codex system card addendum released — review for code generation impacts

AI Impact Summary

OpenAI has released a system card addendum for GPT-5.2-Codex, a specialized variant focused on code generation and technical tasks. System card updates typically document new capabilities, safety evaluations, or behavioral changes that affect how the model should be deployed. Teams using GPT-5.2 for code-related workloads need to review this addendum to understand any shifts in model behavior, performance characteristics, or recommended usage patterns.