📄 中文摘要
OpenAI发布了GPT-5.4 Mini和Nano这两款新模型，旨在为主流模型之下的工作者提供支持，而不是与其竞争。这些模型代表了新兴的“子代理层”AI，具备快速、廉价且足够应对不需要高端计算的任务的特点。与Anthropic的Claude Haiku 4.5相结合，这些模型为构建多代理工作流、从协调者处委派子任务或控制API费用提供了新的选择。文章将对这些模型的定价、上下文窗口等进行详细比较。
GPT-5.4 Mini以低成本匹配旗舰版，完整解析如下
📄 English Summary
GPT-5.4 Mini Is Matching the Flagship at a Fraction of the Cost. Here's the Full Breakdown.
OpenAI has launched GPT-5.4 Mini and Nano, two new models designed to support the workers beneath flagship models rather than compete with them. These models represent the emerging 'sub-agent tier' of AI, characterized by speed, affordability, and sufficient capability for tasks that do not require a high-end model. Alongside Anthropic's Claude Haiku 4.5, these models provide new options for building multi-agent workflows, delegating sub-tasks from orchestrators, or managing API costs. The article will provide a detailed comparison of pricing, context windows, and more.