Introducing GPT-5.4 mini and nano

GPT-5.4 mini and nano have been released as compact, efficient variants of GPT-5.4, specifically designed for coding tasks, tool utilization, and multimodal reasoning. These models are optimized for high-volume API interactions and sub-agent workloads, enabling practitioners to deploy more resource-efficient solutions in environments with constrained computational resources. Their introduction allows for faster inference times while maintaining performance in specialized applications.