GPT-4o System Card capability update

AI Impact Summary

GPT-4o System Card updates clarify the model's system-level behavior, constraints, and supported features when used via the OpenAI API. This affects how system prompts shape responses and can redefine the expected behavior envelope for GPT-4o. Developers should review the System Card to adjust prompts, gating logic, and monitoring to reflect the clarified capabilities and any new boundaries.