OpenAI has launched GPT‑5.4 Mini and Nano, two small-footprint models that promise up to 2x faster answers than previous GPT‑5 Mini variants while preserving much of the flagship GPT‑5.4’s reasoning and security posture for high‑volume, latency‑sensitive workloads. The release has direct implications for secure AI deployment in coding assistants, multi‑agent (“subagent”) systems, and real‑time computer‑use […] The post OpenAI Launches GPT-5.4 Mini and Nano, Delivering Answers 2× Faster appeared first on Cyber Security News.