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)

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.

本文综合以下全部报道写成，而非依据任何单一来源。