OpenAI has officially launched GPT-5.4 mini and GPT-5.4 nano, releasing its most capable small models designed to handle high-volume, latency-sensitive workloads. The new mini iteration offers a significant performance upgrade over the previous GPT-5 mini across reasoning, coding, tool use, and multimodal understanding, while running more than twice as fast. These models are engineered for […] The post OpenAI Launches GPT-5.4 Mini and Nano to Provide Answers 2X Faster appeared first on Cyber Security News.