GPT-5.4 Mini and Nano Are Built for the Age of AI Agents
Mar 22, 2026Model Release Review·Noah OgbiMar 22
OpenAI's new GPT-5.4 mini and nano models complete the GPT-5.4 family, targeting agentic workflows where speed and cost matter more than raw capability. Mini nearly matches flagship benchmark scores at a third of the price; nano goes further, enabling economically viable mass-scale deployments.