OpenAI launches GPT-5.4 mini and nano, aimed at agents, coding, and multi-modal workflows, and offering near GPT-5.4-level performance at a much lower cost (David Gewirtz/ZDNET)

ThinkingNews Desk · how this was written

OpenAI has released GPT-5.4 mini and nano, models designed for agents, coding, and multi-modal workflows. They deliver performance close to GPT-5.4 while operating at a significantly lower cost.

Written from all 3 reports below, not from any single one.