GPT-5.5 System Card capability update

AI Impact Summary

GPT-5.5 System Card is being updated to reflect new or altered capabilities. This matters to engineers because client apps and pipelines often rely on the System Card to understand supported features, limits, and behavior under GPT-5.5, and misalignment can lead to incorrect prompts or gating logic. Teams should review release notes for the GPT-5.5 System Card, adjust configuration and automated tests to reflect the updated capabilities, and validate critical paths that rely on model behavior.