OpenAI has released GPT-5.4 mini and nano, two high-efficiency models focused on speed and lower costs. GPT-5.4 mini is now available to Free ChatGPT users, offering improved coding and reasoning that ...
When OpenAI released GPT-5.4 at the start of March, the company said the new model was designed primarily for professional work like programming and data analysis. Now OpenAI is launching GPT-5.4 mini ...